askIITians
…powered by IITians
Time allotted – 60 min
General Instructions
I. All questions are compulsory.
II. All the questions carry same marks. 3 marks will be awarded for correct answer,
1 mark is deducted for wrong answer and no marks for unattempted question.
III. There can be one or more correct answers.
IV. Instruction for paragraph or combined questions is given before the questions.
Q1. Sudoriferic glands secrete
a) Mucus b) Sweat c) Oil d) Sebum
Q2. The photo-receptors are present in _____ of eye.
a) Cornea b) Lens c) Retina d) Blind spot
Q3. Select the correct statement from the ones given below with respect to
dihybrid cross
(a) Tightly linked genes on the same chromosome show very few recombinations
(b) Tightly linked genes on the same chromosome show higher recombination
(c) Genes far apart on the same chromosome show very few recombination
(d) Genes loosely linked on the same chromosome show similar recombination as
the tightly linked ones
AskIITians
(A Unit of Transweb Educational Services Pvt. Ltd.)
B – 147,1st Floor, Sec-6, NOIDA, UP-201301
www.askiitians.com | | Tel:0120-4616500
, Q4. Which of the following can convert atmospheric nitrogen to organic forms
without being associated with any other organism?
a) Rhizobium b) Pseduomonas denitrificans
c) Azospirillium d) A. azollae
Q5. Identify the blood cell with longest life-span
a) Erythrocytes b) Granulocytes c) Agranulocytes d) Thrombocytes
Q6. Purpose of bagging in hybridization is
a) Prevention of self-pollination
b) Promote elongation of internodes
c) Prevention of pollination from unwanted foreign pollen grains
d) Prevention of transpiration and photorespiration
Q7. Select the two correct statements out of the four (a–d) given below about lac
operon.
(a) Glucose or galactose may bind with the repressor and inactivate it
(b) In the absence of lactose the repressor binds with the operator region
(c) The z-gene codes for permease
(d) This was elucidated by Francois Jacob and Jacque Monod
The correct statements are
(a) (a) and (b) (b) (b) and (c)
(c) (a) and (c) (d) (b) and (d)
Q8. Oxidative decarboxylation of pyruvic acid into acetyl co-A takes place in
a) Cytosol b) Peri-mitochondrial space
c) Inner membrane of mitochondria d) Oxysomes
Q9. In CAM plants, source of CO2 for Calvin cycle is
a) Atmosphere b) CO2 dissolved in water
c) Decarboxylation of malic acid d) Isomerization of oxalo acetic acid
AskIITians
(A Unit of Transweb Educational Services Pvt. Ltd.)
B – 147,1st Floor, Sec-6, NOIDA, UP-201301
www.askiitians.com | | Tel:0120-4616500
…powered by IITians
Time allotted – 60 min
General Instructions
I. All questions are compulsory.
II. All the questions carry same marks. 3 marks will be awarded for correct answer,
1 mark is deducted for wrong answer and no marks for unattempted question.
III. There can be one or more correct answers.
IV. Instruction for paragraph or combined questions is given before the questions.
Q1. Sudoriferic glands secrete
a) Mucus b) Sweat c) Oil d) Sebum
Q2. The photo-receptors are present in _____ of eye.
a) Cornea b) Lens c) Retina d) Blind spot
Q3. Select the correct statement from the ones given below with respect to
dihybrid cross
(a) Tightly linked genes on the same chromosome show very few recombinations
(b) Tightly linked genes on the same chromosome show higher recombination
(c) Genes far apart on the same chromosome show very few recombination
(d) Genes loosely linked on the same chromosome show similar recombination as
the tightly linked ones
AskIITians
(A Unit of Transweb Educational Services Pvt. Ltd.)
B – 147,1st Floor, Sec-6, NOIDA, UP-201301
www.askiitians.com | | Tel:0120-4616500
, Q4. Which of the following can convert atmospheric nitrogen to organic forms
without being associated with any other organism?
a) Rhizobium b) Pseduomonas denitrificans
c) Azospirillium d) A. azollae
Q5. Identify the blood cell with longest life-span
a) Erythrocytes b) Granulocytes c) Agranulocytes d) Thrombocytes
Q6. Purpose of bagging in hybridization is
a) Prevention of self-pollination
b) Promote elongation of internodes
c) Prevention of pollination from unwanted foreign pollen grains
d) Prevention of transpiration and photorespiration
Q7. Select the two correct statements out of the four (a–d) given below about lac
operon.
(a) Glucose or galactose may bind with the repressor and inactivate it
(b) In the absence of lactose the repressor binds with the operator region
(c) The z-gene codes for permease
(d) This was elucidated by Francois Jacob and Jacque Monod
The correct statements are
(a) (a) and (b) (b) (b) and (c)
(c) (a) and (c) (d) (b) and (d)
Q8. Oxidative decarboxylation of pyruvic acid into acetyl co-A takes place in
a) Cytosol b) Peri-mitochondrial space
c) Inner membrane of mitochondria d) Oxysomes
Q9. In CAM plants, source of CO2 for Calvin cycle is
a) Atmosphere b) CO2 dissolved in water
c) Decarboxylation of malic acid d) Isomerization of oxalo acetic acid
AskIITians
(A Unit of Transweb Educational Services Pvt. Ltd.)
B – 147,1st Floor, Sec-6, NOIDA, UP-201301
www.askiitians.com | | Tel:0120-4616500
