Q. 1
In which of the following amino acids is hydrogen (H) present as an R group?
- a. Valine
- b. Glycine
- c. Histidine
- d. Arginine
- e. Glutamic acid
- Answer: A
Q. 2
In which of the following stages is a baby’s sex decided?
- a. Zygote
- b. Embryo
- c. Gastrula
- d. Blastula
- e. Neurula
- Answer: A
Q. 3
Organisms exhibiting high intrinsic growth rates have
- a. Short generation time
- b. Low carrying capacity
- c. No courtship behaviours
- d. Long generation time
- e. High carrying capacity
- Answer: A
Q. 4
Schizogony is a characteristic feature of
- a. Arthropods
- b. Algae
- c. Sporozoans
- d. Nematodes
- e. Both A and D
- Answer: A
Q. 5
The arrangement of teeth on one side of adult human mouth is
- a. Premolars, molars, canine, incisors
- b. Molars, premolars, canine, incisors
- c. Incisors, canine, premolars and molars
- d. Canine, incisors, premolars and molars
- e. Canine, premolars, molars, incisors
- Answer: A
Q. 6
Supercoiling of DNA during replication is prevented by
- a. DnaB protein
- b. Topoisomerase
- c. SSBP
- d. PCNA
- e. DnaG protein
- Answer: A
Q. 7
Which of the following hormones is responsible for reabsorption of water from kidney?
- a. Renin
- b. Oxytocin
- c. Antidiuretic hormone
- d. Insulin
- e. Glucocorticoids
- Answer: A
Q. 8
Ferns do not possess
- a. Flowers
- b. Seeds
- c. Spores
- d. Both A and B
- e. Both B and C
- Answer: A
Q. 9
Which of the following can lead to loss of pluripotency of stem cells?
- a. Increased expression of oct-4 gene
- b. Oct-4 siRNA transfection
- c. Use of LIF
- d. High expression of β- catenin
- e. None of these
- Answer: A
Q. 10
Decidua refers to
- a. Endometrium of uterus
- b. Yolk sac of egg
- c. The outer layer of blastocyst
- d. Embryo after cleavage
- e. None of the above
- Answer: A
Q. 11
A solution containing a protein molecule shows_____ entropy when compared to a solution containing its free amino acids.
- a. Equal
- b. Higher
- c. Lower
- d. Either higher or lower
- e. Negligible
- Answer: A
Q. 12
Gluconeogenesis takes place mainly in
- a. Liver
- b. Kidney
- c. Pancreas
- d. Muscles
- e. Both A and B
- Answer: A
Q. 13
The individuals who possess one of the alleles of sickle cell disease are more resistant to
- a. Cholera
- b. Typhoid
- c. Malaria
- d. Common cold
- e. None of the above
- Answer: A
Q. 14
Parapodia are present in
- a. Platyhelminthes
- b. Arthropods
- c. Cnidarians
- d. Porifers
- e. Annelids
- Answer: A
Q. 15
Rain occurs due to
- a. Precipitation of condensed water vapour
- b. Sublimation
- c. Evaporation
- d. Percolation
- e. Snowmelt
- Answer: A