Science Part 2 Question Bank Solution – Q1 B) I. Find an odd one out.

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1) Transcription, Translation, Translocation, Mutation

Ans.   Mutation

2) Leaf venation, Size of seeds, Leaf petiole, Leaf shape

Ans.   Size of seeds

3) Position of eyes, structure of bones of hand, structure of nostrils, structure of ear pinna

Ans.   Structure of bones of hand

4) Human hand, flipper of whale, cat’s foreleg, wings of birds

Ans.   Wings of birds

5) Carrot, Raddish, Potato, Sweet potato

Ans.   Potato

6) Budding, Regeneration, Binary fission, Fragmentation

Ans.   Binary fission

7) Vas efferens, Prostate gland, Epididymis, Vas deferens

Ans.   Prostate gland

8) Prostate glands, Bartholin glands, Cowper's gland, Seminal vesicle

Ans.   Bartholin glands

9) Stigma, Style, Pollens, Ovary

Ans.   Pollens

10) Hibiscus, Papaya, Sun-flower, Rose, Mango

Ans.   Papaya

11) Conservation, Pollution, Prevention, Control

Ans.   Pollution

12) Hydroelectric energy, Solar energy, Nuclear energy, Wind Energy

Ans.   Nuclear energy

13) Silicon, Uranium, Petrol, Coal

Ans.   Silicon 

14) Solar Photovoltaic cell, Electricity generation using wind energy, Hydroelectric power plant , Solar thermal power plant

Ans.    Solar Photovoltaic cell

15) Water, Wind, Natural gas, Fossil fuel

Ans.    Fossil fuel

16) Edible oil, LPG, CNG, Crude oil

Ans.    Edible oil

17) Coal, Natural gas, Plutonium, Crude oil

Ans.    Plutonium

18) Tortoise, Crow, Lizard, Snake

Ans.    Crow

19) Peacock, Parrot, Kangaroo, Duck

Ans.  Kangaroo

20) Human, Dolphin, Bat, Lizard

Ans.  Lizard

21) Cockroach, Butterfly, spider, honey bee

Ans. Spider

22) Star fish, Sea-urchin, Nereis, Sea-cucumber

Ans. Nereis

23) Tube - feet, Setae, Parapodia, Sucker

Ans. Tube – feet

24) Penicillin, Neomycin, lsomerase, Rifamycin

Ans.  Isomerase

25) Hydrolases, Lyases, Pepsin, Ligases

Ans.  Pepsin

26) Bacteria, Viruses, Fungi, Plants

Ans. Plants     

27) Khoa, Yoghurt, Butter, Cheese

Ans. Khoa

28) Lactobacillus, Acidophilus , Lactobacillus casei, Clostridium

Ans. Clostridium

29) Frog, Earthworm, Pink bollworm, Insectivorous birds

Ans. Pink bollworm

30) DDT, Urea, Malathion, Choloropyrifos

Ans. Urea

31) Diabetes, Anemia, Leukemia, Thalassemia

Ans. Diabetes

32) Drying, Salting, Soaking with sugar, Cooking

Ans. Cooking

33) D.D.T. Malathion, Choloropyrifos, Humus

Ans. Humus

34) Green revolution, Industrial revolution, Blue revolution, White revolution

Ans. Industrial revolution

35) Sodium, Aluminium, Phosphorus, Potassium

Ans. Aluminium

36) Cheese, Curd, Ice-cream, Buttermilk

Ans. Ice-cream

37) Pteris vitata, Rice, Indian Mustard, Sun-flower

Ans. Rice

38) Transport facilities, Social security, Counselling, Toilets

Ans.  Counselling

39) Tobacco, Laughter club, Alcohol consumption, Drugs

Ans.    Laughter club