Biology Test 7

Total Questions: 27

1 - All the metabolic reactions in the organisms are catalysed by

A ) Vitamins
B ) Hormones
C ) Enzymes ✅
D ) Minerals

2 - The membranous labyrinth of the war is filled with

A ) Lymph
B ) Endolymph ✅
C ) Serum
D ) None of these

3 - Which of the following enzymes is present in the saliva?

A ) Bile
B ) Ptyalin ✅
C ) Pepsin
D ) Rennin

4 - The terminal part of vertebral column in man is called

A ) Telson
B ) Urostyle
C ) Coceyx ✅
D ) Pygostyle

5 - The heart beat is initiated and regulated by nodal tissue made of specialized cardiac muscles called

A ) Alveolar tissue
B ) Purkinje tissue ✅
C ) Spongy tissue
D ) None of these

6 - RNA differs from DNA in containing

A ) Cytocline
B ) Deoxyribose
C ) Ribose ✅
D ) Phosphate

7 - Who discovered the blood groups of man?

A ) Edward Jenner
B ) Larven
C ) Kari Landsteiner ✅
D ) William Harvey

8 - Glycogen is mainly stored in

A ) Cartilage and bone
B ) Liver and muscles ✅
C ) Spleen
D ) Villi

9 - Pepsin converts

A ) Protein into peptides in acid media ✅
B ) Protein into peptides in alkaline media
C ) Protein into peptides in neutral media
D ) Starch into glucose

10 - DNA model was given by

A ) Beadle and Talum
B ) Fisher and Haldane
C ) Lederberg and Talum
D ) Watson and Crick ✅

11 - The theory of inheritance of acquired characters was propounded by

A ) Charles Darwin
B ) Gregor Mendel
C ) J. B. Lamarck ✅
D ) Weismann

12 - Which of the following has no blood,but respires?

A ) Cockroach
B ) Earthworm
C ) Fish
D ) Hydra ✅

13 - Pituitary gland is a gland attached to the

A ) Liver
B ) Neck region
C ) Spleen
D ) Base of the brain ✅

14 - Which of the following is the correct sequence?

A ) Green plants-animals-biosphere-atmosphere ✅
B ) Green plants-biosphere-animals-atmosphere
C ) Animals-green plants-biosphere-animals-atmosphere-biosphere
D ) Atmosphere-green plants-animals-biosphere

15 - Liver produces?

A ) Hormones
B ) Bile ✅
C ) Enzymes
D ) HCl

16 - Synthesis of gene in the laboratory was done for the first time by

A ) Hargobind Khorana ✅
B ) Gregor Mendel
C ) Watson and Crick
D ) Paul Berg

17 - Which of the following is the basic characteristics of a living organism?

A ) Ability to move
B ) Ability to reproduce ✅
C ) Ability to eat
D ) Ability to breath

18 - All the following are invertebrates except

A ) Snail
B ) Crab
C ) Prawn
D ) Fish ✅

19 - Which of the following is an anti-depressant?

A ) Benedrine ✅
B ) Aspirin
C ) Equanil
D ) None

20 - In which organ of the human body are the lymphocyte cells formed?

A ) Liver
B ) Long bone
C ) Pancreas
D ) Spleen ✅

21 - The characteristics odour of garlic is due to:

A ) A chloro compound
B ) A sulphur compound ✅
C ) A flourine compound
D ) Acetic acid

22 - Consumption of fish is considered to be healthy when compared to flesh of other animals because fish contains:

A ) Polyunsaturated fatty acids ✅
B ) Saturated fatty acids
C ) Essential vitamins
D ) More carbohydrates and proteins

23 - Flower colours are due to:

A ) Chlorophyll
B ) Melanin
C ) Phytochromes
D ) Anthocyanins ✅

24 - Calcium content is maximum in

A ) Bajra ✅
B ) Maize
C ) Sorghum
D ) Wheat

25 - Which of the following sets contains foods rich in carbohydrates?

A ) Potato,ghee and cucumber
B ) Wheat,ghee and spinach
C ) Banana, potato and rice ✅
D ) Rice, lemon and mustard oil

26 - What is stored in the gall bladder?

A ) Enzymes
B ) Bile ✅
C ) Urea
D ) Insulin

27 - Which of the following is a mammal?

A ) Ostrich
B ) Crocodile
C ) Platypus ✅
D ) Duck