Q. 1
Which of the following pairing is incorrect?
- a. Mesosomes : infolding of bacterial cell wall
- b. Ribosomes : sites of protein synthesis
- c. Flagella : locomotory organ of bacteria
- d. Endospores : bacterial mode of reproduction
- e. Both A and D
- Answer: A
Q. 2
Interaction between hermit crab and sea anemone is
- a. Parasitic
- b. Neutral
- c. Symbiotic
- d. Commensalism
- e. None of these
- Answer: A
Q. 3
A hierarchical unit at any level of classification is called as
- a. Species
- b. Genus
- c. Clade
- d. Group
- e. Taxon
- Answer: A
Q. 4
Jellyfish uses ___________ to kill its prey.
- a. Stinging cells
- b. Proboscis
- c. Parapodium
- d. Antenna
- e. Cilia
- Answer: A
Q. 5
Liver develops from the
- a. Ectoderm
- b. Endoderm
- c. Paraxial mesoderm
- d. Intermediate mesoderm
- e. Axial plate mesoderm
- Answer: A
Q. 6
Which part of the microscope helps to control the brightness of light falling on specimen?
- a. Eyepiece
- b. Objective lens
- c. Stage
- d. Diaphragm
- e. Condenser
- Answer: A
Q. 7
Mutation of BRCA gene is directly linked to
- a. Breast cancer
- b. Colon cancer
- c. Prostate cancer
- d. Glioblastoma
- e. Hepatocarcinoma
- Answer: A
Q. 8
Vitamin D is needed for
- a. Calcium absorption
- b. Protein absorption
- c. Fat absorption
- d. ADH secretion
- e. Sugar absorption
- Answer: A
Q. 9
Which of the following factors affects a population???s size?
- a. Birth
- b. Death
- c. Immigration
- d. Emigration
- e. All the above
- Answer: A
Q. 10
In which part of the kidney does the process of selective reabsorption take place?
- a. Proximal convoluted tubule
- b. Distal convoluted tubule
- c. Renal corpuscle
- d. Medulla
- e. Urinary bladder
- Answer: A
Q. 11
All ecosystems grouped together make up a
- a. Niche
- b. Community
- c. Population
- d. Biosphere
- e. Habitat
- Answer: A
Q. 12
The following are complementary base pairs except
- a. G- C
- b. A- T
- c. G- A
- d. A- U
- e. None
- Answer: A
Q. 13
Which of the following hormones causes ovulation?
- a. Follicle stimulating hormone
- b. Luteinising hormone
- c. Gonadotrophin-releasing hormone
- d. Testosterone
- e. Inhibin
- Answer: A
Q. 14
Spindle fibres attach to
- a. Centromere
- b. Telomere
- c. Telomerase
- d. Cell membrane
- e. None of these
- Answer: A
Q. 15
The following tissues are the derivatives of inner cell mass except
- a. Amnion
- b. Yolk sac
- c. Allantois
- d. Placenta
- e. None of these
- Answer: A