Science Questions GK- Previous IES Papers Solved

IES Previous Question Papers - Botany, Zoology Questions of 2015,2014,2013,2012
1..  The organ most damaged by heavy consumption of alcohol is :

(a)  Brain

(b)  Kidney

(c)  Liver

(d)  Stomach

Liver

2. A test used for determining the biological quality of drinking water is :

(a)  Acidity test

(b)  Coliform test

(c)  Iodine test

(d) Vidal test

Coliform Test

3.Which one of the following is not a constituent of biogas ?

(a) Carbon dioxide

(b) Hydrogen

(c) Methane

(d) Nitrogen dioxide

Nitrogen dioxide

4.Which one of the following is caused by fungus ?

(a) Leprosy

(b) Leukoderma

(c) Ringworm

(d) Scabies

Ringworm

5, For photosynthesis, oxygen is obtained from the breakdown of :

(a) Starch

(b) Carbon dioxide

(c) Glucose

(d) Water

Water

6. Bacteriophages are :

(a) viruses that infect animals

(b) viruses that infect bacteria

(c) bacteria that infect plants

(d) bacteria that infect animals

viruses thar affect bacteria

7. Which of the following substances can be synthesized by green plants and not by animals ?

(a) Cellulose

(b) Fats

(c) Proteins

(d) Cellulose and proteins

Cellulose

8. An involuntary muscle is not found in :

(a) hand

(b) heart

(c) intestine

(d) stomach

Heart

9. Normally, the fruit represents the developed :

(a) endosperm

(b) style and stigma

(c) ovary

(d) flower stalk

ovary

10. In the cells of living organisms, the protein synthesis takes place in :

(a) Golgi bodies

(b) Mitochondria

(c) Plastids

(d) Ribosomes

Ribosome

11. The primary product of photosynthesis is :

(a) Cellulose

(b) Glucose

(c) Glycogen

(d) Sucrose

Glucose

12.Which one of the following is not an endocrine gland ?

(a) Adrenal

(b) Liver

(c) Pancreas

(d) Thymus

Liver

13. In addition to iron, the intake of which one of the following prevents anaemia ?

(a) Acetic acid

(b) Citric acid

(c) Folic acid

(d) Tartaric acid

Folic acid

14.  In which of the following rocks are coal and petroleum found ?

(a) Igneous

(b) Metamorphic

(c) Sedimentary'

(d) Metamorphic and sedimentary

Sedimentary

15.  Lichens represent symbiotic relationship between :

(a) Algae and fungi

(b) Bacteria and fungi

(c) Algae and higher plants

(d) Bacteria and higher plants

Algae and fungi

16. Chemically, silk fibres are predominant

(a) Carbohydrate

(b) Complex lipid

(c) Glycolipid

(d) Protein

Protein

17. Athlete’s Foot disease is caused by

(a) Bacterium

(b) Fungus

(c) Protozoan

(d) Virus

Fungus

18.  Which one of the following is not a part of small intestine ?

(a) Caecum

(b) Duodenum

(c) Jejunum

(d) Ileum

Caecum

19.In human body, which one of the following synthesizes cholesterol ?.

(a) Liver

(b) Pancreas

(c) Spleen

(d) Skeletal muscle

Liver

20. In the human body, the antibodies produced as a result of infection are actually :

(a) Sterols

(b) Proteins

(c) Glycolipids

(d) Carbohydrates 

Protein

21. Which one among the following is the poorest source of vitamin A ?

(a) Butter

(b) Fish

(c) Ripe mango

(d) Ripe papaya

Liver

22. Argemone oil is used to adulterate :

(a) Butter

(b) Coconut oil

(c) Diesel

(d) Mustard oil

Butter

23.Which one of the following vitamins is most susceptible to deterioration by exposure to air ?

(a) Vitamin A

(b) Vitamin C

(c) Vitamin D

(d) Vitamin E

Vitamin C

24. Which one of the following is the cell organelle that is referred to as the 'Suicide bag’ for containing enzymes that can break down cell components or even the whole cell ?

(a) Lysosome

(b) Mesosome

(c) Phagosome .

(d) Ribosome

Lysosome

25.The decomposition and recycling of organic matter from dead organisms is made possible to a large extent by :

(a) bacteria

(b) protozoa

(c) virus

(d) none of the above

Bacteria

26. In crustaceans (e.g. shrimp, cray-fish, lobster), the metallic base of the respiratory pigment is :

(a) Magnesium

(b) Iron

(c) Copper

(d) Lithium

Copper

27. Circadian rhythm is related to :

(a) demography

(b) economic growth

(c) biological clock

(d) climate of a region

Biological clock

28.The edible part of potato is :

(a) bud

(b) fruit

(c) root

(d) stem

root

29. Duodenum in human body is a part of :

(a) Digestive system

(b) Excretory system

(c) Reproductive system

(d) Respiratory system

Digestive system

30. Which one of the following is a viral disease ?

(a) Diphtheria

(b) Influenza

(c) Malaria

(d) Typhoid 

Influenza

31. Which one of the following is nor a disease caused by virus?

(a)  Bird-fluy

 (b) Chicken pox

 (c)  Cholera

 (d)  Dengue

Cholera

32.Which one among the following is the richest source of protein?

   (a)   Beetroot

   (b)   Potato

   (c)   Soybean

   (d)   Wheat

Soyabean