Biology Test 2

Total Questions: 25

1 - Pituitary gland is located just below the

A ) Brain ✅
B ) Heart
C ) Liver
D ) Kidney

2 - During sleep a man's blood pressure:

A ) Increase
B ) Decrease
C ) Remains constant
D ) Fluctuates ✅

3 - Why do we fell drowsy after a heavy meal?

A ) The biological clock is upset
B ) The body muscles are fatigued
C ) The hypothalamus produces melatonin to induce sleep
D ) Brain receives less oxygen as blood rushes to supply oxygen and nutrition to the contracting stomach and intestines ✅

4 - Ready source of energy available for athletes is

A ) Carbohydrates ✅
B ) Fats
C ) Proteins
D ) Vitamins

5 - Chromosomes are:

A ) Present only in the nucleus of a cell
B ) The biggest in a number in human cells
C ) Made up of DNA as a main component ✅
D ) Visible in all cells at every time

6 - The part of the cell which is essential for protein synthesis is:

A ) Chloroplast
B ) Ribosomes ✅
C ) Golgi bodies
D ) Chromosomes

7 - Short sightedness is due to:

A ) Shifting of the iris
B ) Weaker muscles
C ) Elongation of eye balls ✅
D ) Weakening of the retina

9 - The organ which destroys worn out RBCs in the body of the vertebrate is:

A ) Pancreas
B ) Liver
C ) Bone marrow
D ) Spleen ✅

10 - The saliva helps in the digestion of:

A ) Proteins
B ) Fats
C ) Fibres
D ) Starch ✅

11 - Biological death of a patient means death of tissues of the:

A ) Kidney
B ) Heart
C ) Lungs
D ) Brain ✅

12 - Which of the following hormones contains iodine?

A ) Adrenaline
B ) Insulin
C ) Testosterone
D ) Thyroxine ✅

13 - Respiratory centre is situated in:

A ) Cerebrum
B ) Cerebellum
C ) Medulla oblongata ✅
D ) Diencephalon

14 - Which form glucoses is stored in the liver?

A ) Lactic acid
B ) Lactose
C ) Ribose
D ) Glycogen

16 - In human body,the leg bones are:

A ) Humerus and Femur
B ) Febula and Tibia ✅
C ) Fibula and Ulna
D ) Tibia and Radius

17 - Deficiency of calcium in children leads to?

A ) Anaemia
B ) Tetany
C ) Scurvey
D ) Rickets ✅

18 - Antibodies are?

A ) Carbohydrates
B ) Enzymes
C ) Proteins ✅
D ) Hormones

19 - Insulin,a protein acts as?

A ) An antibody
B ) A hormone ✅
C ) An enzyme
D ) A transport agent

20 - The largest living bird is

A ) Duck
B ) Ostrich ✅
C ) Peacock
D ) Dodo

21 - Which of the following known as 'graveyard of RBCs'?

A ) Liver
B ) Bone marrow
C ) Spleen ✅
D ) Appendix

22 - The glands of the body which pour their secretion directly into the body stream are known as:

A ) Exocrine glands
B ) Endocrine glands ✅
C ) Heterocrine
D ) Compound glands

23 - The ligaments joins:

A ) Muscle to muscle
B ) Bone to bone ✅
C ) Muscle to bone
D ) None of these

24 - The normal temperature of the human body is:

A ) 90° F
B ) 98° F
C ) 98.6°F ✅
D ) 96.4° F

25 - ...... muscle is the strongest of all in the human body.

A ) Jaw ✅
B ) Thigh
C ) Calf
D ) Upper arm