Dpp 1 to 2 Biology

WORKSHOP FOR NTSE STAGE-I IIT-JEE | AIPMT | AIEEE | OLYMPIADS | KVPY | NTSE

DAILY PRACTICE PROBLEMS SESSION-2011-12

Subject : Biology

DPP No. 01

Topic :- Cell tissue & Adaptation, Human Disease, Transportation, Excretion, Skeletal System & Food 1. 2.

3. 4. 5. 6.

7.

8.

99 percent of cytoplasm by weight is made up of compounds of four elements . These are :(A) C, H, O, N (B) C, Fe, O, H (C) C, H, I, O (D) C, Fe, S, O Dictyosomes are & (A) respiratory particle (B) golgi bodies (C) liver cells (D) related to protein synthesis Which organelle forms bipolar spindle during the cell-division in the animal cell ? (A) Centriole (B) Lysosome (C) Ribosome (D) Mitochondria Quantasomes occur in (A) mitochondria (B) chloroplast (C) nucleus (D) none of the above In plants, salts (mineral) move through. (A) Xylem (B) Phloem (C) Both (D) None Simple tissues are (A) parenchyma, xylem and collenchyma (B) parenchyma, xylem and sclerenchyma (C) parenchyma, collenchyma and sclerenchyma(D) parenchyma, xylem and phloem Match the items of column A and column B Column A Column B a) Platelets (1) attach bone with muscle b) Neuron (2) locomotion c) Tendon (3) blood coagulation d) Striated muscle (4) respond to stimuli Which of the following is correct ? (A) (a-2), (b-3), (c-4), (d-l) (C) (a-4), (b-I), (c-2), (d-3) Which type of tissue form glands ? (A) epithelial (B) connective

(B) (a-3), (b-4), (c-I), (d-2) (D) (a-I), (b-2), (c--3), (d-4) (C) nervous

(D) muscle

(C)A & B

(D) None of these

9.

Aestivation means(A) winter-sleep

10.

All those animals which can see well at - night have the abundance of (A) Cone Cells (B) Rod Cells (C) Night-Pigments Stomata are sunken in (A) mesophytes (B) xerophytes (C) hydrophytes

11. 12.

14. 15.

16.

(D) All (D) hygrophytes

Pneumatophores are the modification of (A) roots

13.

(B) summer-sleep

(B) leaves

(C) stems

Anaemia disease is due to Deficiency of which substance ? (A) Iron (B) Vitamin A (C) Fat DOTS is related to which disease ? (A) T.B. (B) Cholera (C) Rabies Match the columns Column - 1 Column - 2 A. Vaccines i. Alexender Flemming B. Germ Theory of diseases ii. Louis Pasteur C. Fermentation iii. Edward Jenner D. Penicillin iv. Robert Koch (A) A i, B ii, C iv, D iii (B) A iii, B iv, C ii, D i (C) A iv , B iii, C ii, D i The human Immunodeficiency Virus is considered deadly because : (A) It destroys the nervous system (B) It increases susceptibility to attack by other pathogens (C) It causes severe bleeding (D) It stops respiration

(D) rhizomes

(D) Protein (D) Typhoid

(D) A iii, B ii, C iv, D i

17. 18. 19. 20.

21. 22.

Blood leaving lungs is rich in (A) oxygen (B) carbon dioxide (C) haemoglobin (D) number of RBC At high attitude, the erythrocytes in human blood (A) Increases in Size (B) Increases in number (C) Decreases in Size (D) Decreases in number Companion cells are usually seen to be associated with (A) fibres tissue (B) parenchyma tissue (C) xylem tissue (D) sieve tubes Prepared food in plants is translocated by (A) xylem from leaves to root (B) phloem from leaves to whole plant (C) xylem from roots to leaves (D) phloem from roots to whole plant A man takes large amount of proteins. He is likely to excrete a great amount of (A) Urea (B) Sugar (C) Uric acid (D) None of these In mammals, the urinary bladder opens into (A) uterus (B) urethra (C) vestibule (D) ureter

23.

In Amoeba, ammonia is excreted by : (A) Food vacuole (B) Contractile vacuole

24.

Which of the following is not the component of sweat (A) Water (B) Urea & uric acid (C) Bile Which of the following type of joint is present in our neck ? (A) Ball & Socket (B) Hindge (C) Fixed Pectoral Girdle is present in (A) Hand (B) Shoulder (C) waist The number of floating ribs, in the human body, is (A) 6 pairs (B) 5 pairs (C) 3 pairs "Crop rotation" is a good agricultural practice since (A) It enables replenishment of nutrients in the soil (B) It gives much-needed rest to the farmer (C) It prevents wastage of water (D) It cleans the soil of weeds Living organisms are used in (A) organic manure (B) biofertilizers (C) natural insecticides Nodules with nitrogen - fixing bacteria are present in (A) mustard (B) wheat (C) gram

25. 26. 27. 28.

29. 30.

(C) Plasma membrane

(D) All of these

(D) None of the above (D) Pivot (D) Leg (D) 2 pairs ,

(D) pesticides (D) cotton

WORKSHOP FOR NTSE STAGE-I IIT-JEE | AIPMT | AIEEE | OLYMPIADS | KVPY | NTSE

DAILY PRACTICE PROBLEMS SESSION-2011-12

Subject : Biology

DPP No. 02 - Topic -

Nutrition, Respiration, Control & Co-ordiantion, Reproduction Heredity & Variations organ of life environment & Diversity

1. 2. 3. 4.

5.

Teeth involved in cutting of food material are called (A) canines (B) incisors (C) molars (D) premolars Villi are present on (A) stomach (B) large intestine (C) small intestine (D) mouth Degestion of both starch and protein is carried out by (A) gastric juice (B) gastric lipase (C) pancreatic Juice (D) ptyalin Most of the photosynthesis (80%) which takes place on this earth is carried on by (A) green plants on land (B) algae present in fresh water (C) algae found in ocean (D) algae present in ocean and fresh water sources Which of the following is the best equation representing photosynthesis ? (A) energy + 6CO2 + 6H2O

Chlorophyll C6H12O6 + 6O2

(B) energy + CO2 + H2O CH2O + O2

(C) energy + 6 CO2 + 12H2O

Chlorophyll / light / enzymes C6H12O6 + 6H2O + 6O2 6.

7.

8. 9.

10.

11. 12.

13.

(D) energy + 12 CO2 + 6H2O Skin is an ideal respiratory organ in frog because it is (A) Highly vascular (B) Kept moist (C) Devoid of hair and scales (D) All the above Passage of air through the respiratory tract during inspiration is : (A) Nostril - Nasal cavity - Larynx - Pharynx - Bronchi - Trachea - Bronchioles - Alveoli (B) Nostril - Nasal cavity - Pharynx - Larynx - Trachea - Bronchi - Bronchioles - Alveoli (C) Nostril - Nasal cavity- Laryx - Pharynx - Trachea - Bronchi - Bronchioles - Alveoli (D) None of the above Metabolic rate is being controlled by (A) liver (B) thyroid (C) pituitary (D) pancreas What will happen if the thyroid is removed from a tadpole ? (A) The tadpole will grow into a dwarf frog (B) The larva will produce giant frog (C) t will continue indefinitely in larva stage (D) The larva will die In reflex action the reflex arc is formed by (A) brain  spinal cord  muscles (B) receptor  spinal cord  muscles (C) muscle  receptor  brain (D) muscles  spinal cord  receptor Which hormone when secreted increases heart beats (A) Insulin (B) Adrenalin (C) Cortisone (D) Testosterone Menstrual cycle is controlled by (A) estrogen & progesteron of ovary (B) FSH & LH of pituitary (C) both (A) and (B) are correct (D) FSH of pituitary Freshly released human egg has (A) one Y chromosome (B) one X chromosome (C) two - X - chromosome (D) one X - chromosomes and one Y-chromosomes

14. 15.

16. 17.

18.

19.

20.

21. 22.

23.

24.

25.

26. 27. 28.

Cowper’s glands are found in (A) male mammals (B) female mammals (C) male amphibians (D) female amphibians Self pollination is transfer of pollen from anther to the stigma of (A) Same flower (B) Same or different flower of the same plant (C) Same or genetically similar flower of the same or other plant (D) Different flowers of the same plant In roses, the method commonly used to produce new plants is (A) layering (B) tissue culture (C) cutting (D) bud grafting According to one most widely accepted theory, the earth’s atmosphere, before any life had originated on this planet, consist of a mixture of (A) water vapor , hydrogen , ammonia and methane (B) hydrogen, carbondioxide, ammonia and methane (C) oxygen, ammonia, methane and water vapors (D) ozone, methane, oxygen and water Homologous structures have (A) similar origin but dissimilar functions (B) dissimilar origin but similar functions (C) dissimilar origin but dissimilar functions (D) dissimilar origin but dissimilar structures A fossil is a / an – (A) laboratory preserved animal (B) dead animal of the past (C) organic relic of the past (D) living animal Which was not proposed by Darwin ? (A) Struggle for existence (B) Natural selection (C) Genetic drift (D) Survival of the fittest Back cross is a cross between (A) F1 × F1 (B) F1 × recessive (C) F1 × dominant (D) F1 × any parent A pure tall plant can be differentiated from a hybrid tall plant (A) by measuring length of plant (B) by spraying gibberellins (C) if all plants are tall after self – pollination (D) if all plants are dwarf after self – pollination Allele is the (A) alternate trait of gene pair (B) total number of genes for a trait (C) total number of chromosomes of a haploid set (D) total number of genes present on a chromosome Blue eye colour is recessive to brown eye colour. A brown eye man, whose mother was blue-eyed marries a blue eyed woman . The children shall be (A) Both blue eyed and brown eye 1 : 1 (B) All brown eyed (C) All blue eyed (D) Blue eyed and brown eyed 3 : 1 Insectivorous plants catch and digest insects for (A) obtaining nitrogen (B) protecting their leaves (C) protecting their fruits (D) being heterotrophs of consumer level 'Vascular cryptogams' are – (A) bryophytes (B) algae (C) pteridophytes (D) fungi Undigested food of Hydra is expelled from – (A) mouth (B) anus (C) general surface (D) hypostome Air sacs are present in the bones of – (A) reptilia (B) aves (C) pisces (D) terrestrial mammals