NEET Biology MCQ | Biology Questions

                                                            
1.Which of the following options best represents the enzyme composition of pancreatic juice?
a) Amylase, peptidase, trypsinogen, rennin
b)Amylase, pepsin, trypsinogen, maltase
c)Peptidase, amylase, pepsin, rennin
d)Lipase, amylase, trypsinogen, procarboxypeptidase

2.Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in :
a) C3 plants
b) C4 plants
c) C2 plants
d) C3 and C4 plants

3.The morphological nature of the edible part of coconut is
a) Perisperm
b) Cotyledon
c) Endosperm
d) Pericarp

4.Anaphase promoting complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?
a)Chromosomes will not condense
b)Chromosomes will be fragmented
c)Chromosomes will not segregate
d)Recombination of chromosome arms will occur

5.MALT constitutes about ___________ percent of the lymphoid tissue in human body.
a) 50%
b) 20%
c) 70%
d) 10%

6.Receptor sites for neurotransmitters are present on
a)Membranes of synaptic vesicles
b)Pre-synaptic membrane
c)Tips of axons
d)Post-synaptic membrane

7.Hypersecretion of Growth Hormone in adults does not cause further increase in height, because
a) Growth Hormone becomes inactive in adults
b) Epiphyseal plates close after adolescence
b) Bones loose their sensitivity to Growth Hormone in adults
c) Muscle fibres do not grow in size after birth

8.Myelin sheath is produced by
a) Schwann Cells and Oligodendrocytes
b)Astrocytes and Schwann Cells
c) Oligodendrocytes and Osteoclasts
d) Osteoclasts and Astrocytes

9. Which of the following components provides sticky character to the bacterial cell?
a) Cell wall
b) Nuclear membrane
c) Plasma membrane
d) Glycocalyx

10. DNA replication in bacteria occurs
a) During S-phase
b) Within nucleolus
c) Prior to fission
d) Just before transcriptions