1121. Chromosomes are ____________.
A. Present only in the nucleus of a cell
B. The biggest in number in human cells
C. Made up of DNA as a main component *
D. Visible in all cells at every time
1122. The part of the cell which is essential for protein synthesis is ___________.
A. Chloroplast
B. Ribosomes *
C. Golgi bodies
D. Chromosomes
1123. Short sightedness is due to ____________.
A. Shifting of the iris
B. Weaker muscles
C. Elongation of eye balls *
D. Weakening of the retina
1124. There are approximately ________muscles in human body _______.
A. 200
B. 350
C. 500
D. 700 *
1125. The organ which destroys worn out RBCs in the body of vertebrate is ________.
A. Pancrease
B. liver
C. Bone marrow
D. Spleen *
1126. The saliva helps in the digestion of ___________.
A. Proteins
B. Fats
C. Fibres
D. Starch *
1127. Biological death of a patient means death of tissues of the ________.
A. Kidney
B. Heart
C. Lungs
D. Brain *
1128. Which of the following hormones contains iodine ?
A. Adrenaline
B. Insulin
C. Testosterone
D. Thyroxine *
1129. Respiratory center is situated in __________.
A. Cerebrum
B. Cerebellum
C. Medulla oblongata *
D. Diencephalon
1130. For transfusion the “O” blood group of a donor can be accepted by a person having blood group_______.
A. A
B. B
C. AB
D. All of these *