List of top Questions asked in GAT-B- 2021

Eclipse period in a virus infection is defined as the time
The first virus to be discovered was
Which among the following enzymes enables integration of the retroviral genome into the host genome?
The ratio of the number of girls to the number of boys in a school of 720 students is 3:5. If 18 new boys are admitted, how many new girls may be admitted so that the ratio changes to 2:3?
The highest score of a cricket player in an innings was $3/11^{th}$ of the total score and the next highest was $3/10^{th}$ of the remaining. If the difference between the two scores was 24 runs, what was the total score?
If a student cycles at 10 km/h he reaches the school late by 4 minutes. If he cycles at 12 km/h he reaches the school early by 2 minutes. What is the distance of the school from his home?
A 6.5 m ladder is placed against a wall such that its foot is at a distance of 2.5 m from the wall. The height it would reach on the wall is
A boat covers a certain distance downstream in 3 hours and it covers the same distance upstream in 5 hours. What would be the speed of the stream if the speed of the boat in still water is 8 km/h?
A train travels 360 km at a uniform speed. If the speed had been 5 km/h more, it would have taken 1 h less for the journey. What is the speed (in km/h) of the train?
A and B together can do a piece of work in 20 days; B and C together in 15 days; C and A together in 12 days. How long will they take to finish the work, working together?
Which of the following is NOT a plant hormone?
In a school there are a total of 20 teachers who can teach mathematics or physics. Of these, 12 can teach mathematics and 4 can teach both physics and mathematics. How many can teach physics?
What is the chance that a leap year, selected at random, will have 53 Sundays?
A bag contains 3 red, 6 white and 7 blue balls. What is the probability that 2 balls drawn are white and blue?
Which of the following equation describes a line passing through the point (-2, -3) and parallel to the x-axis?
The cost of 5 oranges and 3 apples is Rs. 35 and the cost of 2 oranges and 4 apples is Rs. 28. What would be the cost of one each of orange and apple?
Assertion A: Most humans pass accurate genetic instructions from one generation to the next.
Reason R: In spite of high mutation rate, the sequence of the human genome changes by only a few nucleotides during division.
Milk is secreted by the alveoli and reaches the nipple through several regions. The correct order of the flow of milk is:
Match the components of List I with those in the List II.
List I: A. Val, Leu; B. Ser, Thr; C. Arg, Lys; D. His, Trp
List II: I. Basic, II. Hydrophobic, III. Heterocyclic side chain, IV. Hydroxyl group in the side chain
The respiratory pathway common to erythrocyte and leucocyte is
Which of the following features distinguishes myoglobin from hemoglobin?
Pick the most basic dipeptide from the following:
Which of the following hormones attains the peak of expression in the middle of the menstrual cycle?
Which one of the following is a membrane-less structure?
Match the components in List I with those in the List II.
List I: A. Down's Syndrome, B. Turner Syndrome, C. Phenylketonuria, D. Sickle cell anemia
List II: I. Autosomal recessive trait, II. Point mutation, III. Females only, IV. 21 Trisomy