1. One of the par ents in a cross has mu ta tion in its
   mitochondrial DNA. In that cross, that parent is taken
   as a male. During segregation of F 2 progenies, that
   mutation is to be found in
   (a) One-third of the progenies
   (b) Fifty per cent of the progenies
   (c) None of the progenies
   (d) All the progenies


2. A short length of DNA molecule has 60 thymine and
   60 guanine bases. The total number of nucleotide in
   the DNA fragment is
   (a) 100 (b) 240 (c) 120 (d) 60


3. Which statement regarding SARS (Severe Acute
   Respiratory Syndrome) is true?
   (a)It is caused by a variant of Pneumococcus pneumoniae
   (b)It is caused by a variant of the common cold virus
   (corona virus)
   (c)It is an acute form of asthma
   (d)If affects non-vegetarian much faster than the vegetarians


4. If a plant produces flowers only when exposed to
   alternating periods of 5 hrs light and 3 hrs dark in a
   24 hrs cycle, then the plant should be
   (a) short day plant (b) day neutral plant
   (c) short-long day plant (d) long day plant


5. For growing a plant in a xerophytic condition, what
   type of adaptation plant requires.
   (a) The presence of spine
   (b) The presence of stipular leave
   (c) The absence of stomata
   (d) The presence of long tap root system
   6. Choose the correct statement about Bt toxin.
   (a)The concerned Bacillus had antitoxin
   (b)Bt protein exists as active toxins in the Bacillus
   (c)It is used to kill herbivores like deer and rabbit
   (d)The activated toxin enters the ovaries of the pest to sterilise
   it and thus, prevents its multiplication
   7. Which of the following example represents the
   autonomic nervous system?
   (a) Swallowing of food (b) Pupillary reflex
   (c) Knee-jerk response (d) Peristalsis of the intestine
   8. In the resting state of the neural membrane, diffusion
   due to the concentration gradients, if allowed, would
   drive.
   (a) K+ into the cell (b) K+ and Na+ out of the cell
   (c) Na+ into the cell (d) Na+ out of the cell
   9. Countercurrent mech a nism helps to main tain a
   con cen tra tion gra di ent. This gra di ent helps in
   (a)easy passage of water from medullary interstitial fluid to
   collecting tubule and thereby diluting urine.
   (b)easy passage of water from medulla to collecting tubule
   and thereby concentrating urine.
   (c)inhibition of passage of water between the collecting tubule
   and medulla and so isotonic urine is formed.
   (d)easy passage of water from collecting tubule to interstitial
   fluid and thereby concentrating urine.

10 .What is the function of germ pore?

(a) Release of male gametes

(b) Emergence of radical

(c) Initiation of pollen tube

(d) Absorption of water and seed germination

Questions to Measure Your Problem Solving Skills

AIPMT & AIIMS

AIIMS

P

M

T

This test consists of 60 questions and each question is allotted 4 marks for correct response.

Instructions

Candidates will be awarded marks as stated above for correct response of each question. 1/4 marks will be deducted for indicating incorrect

response of each question. No deduction from the total score will be made if no response is indicated for an item in the answer sheet.

There is only one correct response for each question. Filling up more than one response in any question will be treated as wrong response

and marks for wrong response will be deducted according as per instructions.

Questions to Measure Your Problem Solving Skills

AIPMT & AIIMS

AIIMS

P

M

T

This test consists of 60 questions and each question is allotted 4 marks for correct response.

Instructions

Candidates will be awarded marks as stated above for correct response of each question. 1/4 marks wil l be deducted for indicating incorrect

response of each question. No deduction from the total score will be made if no response is indicated for an item in the answer sheet.

There is only one correct response for each question. Filling up more than one response in any question wil l be treated as wrong response

and marks for wrong response wil l be deducted according as per instructions.