Biology DPP Class 4 and 5

CAREER POINT PRE-FOUNDATION COURSE CLASS-4 & 5 SUMMER WORKSHOP Daily Practice Problem Sheet Subject : Biology

DPPS. NO. – 01 .

Topic : Respiration and Circulation Q.1

Flow of blood within the body is called (A) heart beat (C) blood diffusion

(B) blood circulation (D) blood flow

Q.2

Pulmonary artery carries impure blood i.e., the blood rich in carbon-dioxide from the (A) lungs (B) heart (C) body parts (D) tissues

Q.3

Lungs are protected by – (A) Spinal cord (B) Vertebrae

Q.4

Q.5

(C) Ribcage

(D) Trachea

Muscular sheet that forms the floor of chest cavity is – (A) Diaphragm (B) Ribs (C) Bronchi

(D) None of these

In humans, haemoglobin transports oxygen first from (A) kidney (B) liver (C) heart

(D) lungs

Q.6

Match the components of column A with their correct counter part in column B: Column A Column B A. Haemoglobin (i) absorption of water B. Atria (ii) contains water and salt C. Root hairs (iii) RBC D. Sweat (iv) heart (A) A-(iii), B-(iv), C-(ii), D-(i) (B) A-(i), B-(iv), C-(ii), D-(iii) (C) A-(iii), B-(iv), C-(i), D-(ii) (D) A-(ii), B-(iii), C-(iv), D-(i)

Q.7

Pumping organ present in our body is (A) kidney (B) heart

(C) liver

(D) lung

Q.8

During an injury, blood starts flowing out of a cut or wound. After sometime, a clot is formed on wound by (A) R.B.C (B) W.B.C (C) platelets (D) haemoglobin

Q.9

Cells present in blood which fight against germs and protect our body from various infections are called (A) R.B.C (B) W.B.C (C) platelets (D) plasma

Q.10

Arteries and veins are joined by a network of (A) valves (B) muscles

(C) capillaries

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(D) platelets

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Q.11

The process of breakdown of food in cells with release of energy is called : (A) Respiration (B) Reproduction (C) Transpiration (D) None of these

Q.12

On an average, at rest an adult human being breathes (A) 5-10 times in a minute (B) 10-13 times in a minute (C) 15-18 times in a minute (D) 22-25 times in a minute

Q.13

During exhalation, ribs (A) move upwards (B) move outwards

(C) move downwards

(D) do not move at all

Breathing is a part of (A) exhalation

(C) respiration

(D) sneezing

Q.14

(B) inhalation

Q.15

The part of the nasal cavity where minute unwanted particles are trapped is (A) skin (B) hair (C) bone (D) fluid

Q.16

Cellular respiration takes place in the cells of human beings to produce (A) alcohol and energy (B) carbon dioxide and energy (C) alcohol and carbon dioxide (D) oxygen and energy

Q.17

The process in which exchange of gases takes place is called (A) combustion (B) respiration (C) breathing

(D) cellular respiration

Wind pipe in humans is known as (A) Trachea (B) Oesophagus

(D) Alveoli

Q.18

(C) Artery

Q.19

Sometimes after heavy exercise, we feel muscle cramps. This is due to the accumulation of (A) oxygen (B) lactic acid (C) carbon-dioxide (D) water

Q.20

During heavy exercises like swimming, running, cycling etc., the rate of breathing (A) decreases (B) increases (C) remains the same (D) can either increase or decrease

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CAREER POINT PRE-FOUNDATION COURSE CLASS-4 & 5 SUMMER WORKSHOP Daily Practice Problem Sheet Subject : Biology

DPPS. NO. – 02 .

Topic : Digestive System Q.1

Q.2

Which one of the following is true? (A) Canines are well developed in carnivores (C) Canines are poorly developed in carnivores

(B) Canines are well developed in herbivores (D) Molars are well developed in carnivores

The walls of the large intestine absorb (A) water (B) digested food

(C) undigested food

Q.3

Hetrotrophs are organisms, which (A) feed on dead and decaying organisms (B) draw nutrition from the living tissues of other organisms (C) depend on other sources for food (D) manufacture their own food

Q.4

The hardest part of a tooth is the (A) dentine (B) enamel

(C) pulp

(D) cellulose

(D) gum

Q.5

The organ which does not secrete any enzymes for the digestion of food is (A) pancreas (B) stomach (C) kidneys (D) small intestine

Q. 6

The undigested, semisolid food is collected in (A) anus (B) intestine

(C) rectum

Digestion of food takes place in (A) mouth, small intestine (C) mouth, anus

(B) mouth, large intestine (D) mouth, rectum

Q.7

Q.8

Various steps of human nutrition are in the following order (A) ingestion, egestion, digestion, absorption and assimilation (B) ingestion, egestion, assimilation, absorption and assimilation (C) ingestion, assimilation, digestion, absorption and egestion (D) ingestion, digestion, absorption, assimilation and egestion

Q.9

The length of small intestine is about (A) 6m - 7m (B) 7m - 8m

Q.10

(C) 8m - 9m

(D) villi

(D) 9m - 10m

The function of hydrochloric acid in the stomach is to (A) digest carbohydrates (B) clean the stomach (C) kill the germs (D) break down proteins

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Q.11

The digestion of food in amoeba is (A) intracellular (B) intercellular

(C) intravenous

(D) extracellular

Q.12

The process by which the digested food is carried by the blood and taken in by the cells of the body is referred as (A) digestion (B) assimilation (C) absorption (D) egestion

Q.13

Oesophagus is another name of (A) stomach (B) wind pipe

(C) food pipe

(D) gall bladder

In Amoeba, food particles are ingested in the (A) nucleus (B) food vacuole

(C) pseudopodium

(D) cell membrane

Q.14

Q.15

The sac like structure lying underneath the right lobe of the liver, in which bile is stored is called (A) pancreas (B) gall bladder (C) stomach (D) duodenum

Q.16

In the human mouth, incisors teeth are (A) 2 in number (B) 4 in number

Q.17

(C) 6 in number

A mucus layer that lines the stomach walls prevents the stomach from (A) ingestion (B) digesting itself (C) absorption

(D) 8 in number

(D) egestion

Q.18

A reddish brown gland situated in the upper part of the abdomen on the right side is (A) liver (B) kidney (C) pituitary (D) thymus

Q.19

Removal of waste in the form of faeces through the anus is referred to as (A) digestion (B) assimilation (C) absorption

(D) egestion

The sides of tongue have the taste for (A) sweet (B) bitter

(D) salty

Q.20

(C) sour

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CAREER POINT PRE-FOUNDATION COURSE CLASS-4 & 5 SUMMER WORKSHOP Daily Practice Problem Sheet Subject : Biology

DPPS. NO. – 03 .

Topic : Skeletal System Q.1

Joints are necessary for taking up the process of (A) respiration

Q.2

Q.5

Q.6

Q.10

(C) fixed joint

(C) hinge joints

(D) fixed joints

(D) skull

(D) ball and socket joint

Ball and socket joints are present in (A) joint between neck and head

(B) elbow joint

(C) joint between shoulder and arm

(D) knee joint

The joint that moves the body part in forward, backward and in side ways direction is called (B) pivot joint

(C) ball and socket joint (D) fixed joint

The bone at the back that is made up of many small bones is called (B) rib cage

(C) pelvic bone

(D) skull bone

The longest, largest and strongest bone in our body is the (B) skull bone

(C) shoulder bone

(D) arm bone

The incorrect statement with respect to skeletal system is (A) it forms the framework of body

(B) it helps to protect the delicate organs

(C) it helps in the movement of the body

(D) it helps in digestion of food.

Joint that allows movement only in one direction is (A) pivotal joint

Q.11

(B) pelvic joint

(B) pivotal joints

(A) thigh bone Q.9

(C) pelvis

(A) ball and socket joints

(A) vertebral column Q.8

(B) skeleton

The joints which move in all directions and the rounded end of one bone fits into the cavity of the other bone are called

(A) hinge joint Q.7

(D) digestion

The joint between head and upper jaw is an example of (A) hinge joint

Q.4

(C) movement

The structure made up of many bones in the head is called (A) cerebellum

Q.3

(B) excretion

(B) ball and socket joint (C) gliding joint

(D) hinge joint

Heart is protected because of (A) rib cage

(B) shoulder bone

(C) lungs and skull

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(D) backbone Page # 1

Q.12

Q.13

Q.14

We can turn our head due to the presence of (A) pivotal joint (B) hinge joint

(C) ball and socket joint (D) fixed joint

Movement of arm at the elbow is due to (A) ball and socket joint (B) pivotal joint

(C) fixed joint

The incorrect statement amongst the given is that the (A) hinge joint is present in elbow (C) cartilage is harder than bones

Q.15

Q.16

Q.17

Q.18

Q.19

Q.20

(D) hinge joint

(B) movement of a body as a whole is called locomotion (D) cockroaches have an external skeleton

Different types of body movements are possible due to the (A) skeletal and muscular system (B) skeletal and circulatory system (C) skeletal system

(D) muscular and circulatory system

The joint in the skull is a (A) ball-socket joint (B) gliding joint

(C) fixed joint

(D) hinge joint

An exception amongst the given is (A) fingers (B) head

(C) ear lobe

(D) hand

All of the given are internal organs except (A) heart (B) hands

(C) lungs

(D) liver

Total number of bones in our skeleton is (A) 56 (B) 101

(C) 206

(D) 308

(C) breast bone

(D) chest bone

The organ that protects the spinal cord is (A) skull

(B) backbone

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CAREER POINT PRE-FOUNDATION COURSE CLASS-4 & 5 SUMMER WORKSHOP Daily Practice Problem Sheet Subject : Biology

DPPS. NO. – 04 .

Topic : Nervous System Q.1

Q.2

Q.3

Pricking of pin is called (A) response (B) stimulus

(C) reaction

(D) reflex

Central Nervous System consists of (A) axon (B) spinal cord

(C) muscle fibre

(D) reflex arc.

Optic nerves are connected to which sense organ (A) Eye (B) Ear (C) Nose

(D) Tongue

Q.4

There are two types of nerves that constitute peripheral nervous system, one is Spinal nerve and the second is (A) Visceral nerve (B) Cranial nerve (C) Reflex nerve (D) Supportive nerve

Q.5

Neuron is the functional unit of (A) excretory system (B) digestive system

(C) nervous system

(D) respiratory system

The largest part of the brain is (A) medulla oblongata (B) cerebellum

(C) cerebrum

(D) spinal cord

The longest cell of the body is (A) muscle cell (B) epithelial cell

(C) nerve cell

(D) white blood cell

Q.6

Q.7

Q.8

A person is drunk and cannot move straight, the part of brain affected in this case is (A) pons (B) medulla (C) cerebellum (D) cerebrum

Q.9

The main thinking part of the brain is (A) Medulla (B) Cerebrum

Q.10

Q.11

Q.12

Q.13

(C) Spinal cord

(D) Nerves

Which of the following part of the brain gives rise to spinal cord? (A) Medulla oblongata (B) Cerebrum (C) Cerebellum

(D) Mid brain

Back bone is also called (A) spinal cord (B) notochord

(C) vertebral column

(D) nerve cord

The brain is protected by (A) cranium (B) cerebrum

(C) cartilage

(D) cerebellum

Reflex arcs have evolved in animals because (A) spinal cord is required (C) muscles do not work properly

(B) thinking process of brain is not fast enough (D) reception is not proper in animals

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Q.14

Q.15

The process of detecting the input and a quick response to it is called (A) impulse (B) stimulus (C) sensation

(D) reflex

All information from the environment is detected by (A) receptors (B) axon (C) nucleus

(D) cell body

Q.16

The communication between CNS and other parts of the body is facilitated by (A) PNS (B) ECG (C) BMR (D) DNA

Q.17

Taste buds are present on – (A) Brain (B) Spinal cord

(C) Ear

(D) Tongue

Q.18

Which is the correct sequence of information transmission? (A) Sensation, stimulus, response (B) Stimulus, response, sensation (C) Response, stimulus, sensation (D) Stimulus, sensation, response

Q.19

The opening through which light enters into eye is – (A) Pupil (B) Iris (C) Eye lid

(D) None of these

Which is the largest organ in our body – (A) Eye (B) Skin

(D) Tongue

Q.20

(C) Nose

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CAREER POINT PRE-FOUNDATION COURSE CLASS-4 & 5 SUMMER WORKSHOP Daily Practice Problem Sheet Subject : Biology

DPPS. NO. – 05 .

Topic : Ecology Q.1

In food pyramid carnivores are placed at (A) 1st trophic level

Q.2

(B) 2 nd trophic level

(C) 3 rd trophic level

(D) 4 th trophic level

Improvements in our life-style have resulted in (A) cleaning of the environment

(B) decreasing the amounts of waste material generation

(C) greater amounts of waste material generation (D) decrease the CFC production Q.3

Herbivores, carnivores, omnivores and parasites are the classification of (A) producers

Q.4

Q.6

(D) increasing the use of fossil fuels

In a grazing food chain population , if all the deers die , there will be a decrease in (B) grass

(C) leopards

(D) tall trees

(C) clothes

(D) wood

(C) rhizopus

(D) yeast

(C) three or four steps

(D) four or five steps

(C) plants

(D) air

(C) pesticides

(D) top soil

A non-biodegradable substance is (B) paper

Producers prepare their own food like (B) amoeba

Food chains generally consist of only (B) two or three steps

Biotic environment comprise of (A) water

Q.11

(D) land pollution

(C) cutting down the use of fossil fuels

(A) one or two steps Q.10

(C) water pollution

(B) increasing the industries

(A) blue green algae Q.9

(B) noise pollution

(A) cutting the trees in forest

(A) plastic Q.8

(D) saprophytes

Global warming can be stopped by

(A) insects Q.7

(C) pollutants

Hearing loss is mainly caused due to (A) air pollution

Q.5

(B) consumers

(B) land

Soil erosion is the removal of (A) fertilizers

(B) manure

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Q.12

Biodegradable substances are those substances that (A) can be broken down by the action of bacteria or other saprophytes (B) cannot be acted upon by physical processes like heat and pressure (C) persist in the environment for a long time (D) may harm the various members of the ecosystem

Q.13

Q.14

Q.15

The correct sequence of various autotrophic levels likely to be in the food chain involving grass, birds, hawk, snakes and grass hopper is (A) grass, birds, snakes, hawk, grass hopper

(B) grass, grass hopper, birds, snakes, hawk

(C) grass, birds, hawk, snakes, grass hopper

(D) grass, snakes, grass hopper, birds, hawk

Growth, reproduction and other activities of living organisms are affected by (A) biotic components and rainfall only

(B) biotic components only

(C) biotic factors and temperature only

(D) biotic factors and abiotic factors

Plants are mostly referred as (A) producers

Q.16

Q.18

(B) decomposers

(C) carnivores

(A) hereditary information

(B) food particles

(C) energy

(D) Oxygen

(D) parasites

For maintaining eco-friendly environment one should not use disposable packaging made up of (B) paper

(C) clay

(D) cloth

(C) Plantation

(D) Sun

Ozone layer depletion is caused due to – (A) air pollution

Q.20

(D) omnivores

Interactions among various components of the environment involves flow of

(A) plastic Q.19

(C) herbivores

The microorganisms that break-down the complex organic substances of dead remains and waste products of organisms are called (A) prey

Q.17

(B) carnivores

(B) Water pollution

Amount of energy transferred from one trophic level to next is – (A) 1.5%

(B) 10%

(C) 15%

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(D) 20%

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