Biology - Questions and Answers, General Study (GK)

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1341.

The plant used by Mendel for his research was

(a)Bean plant

(b)Bengal gram plant

(c)Brinjal plant

(d)Pea plant

Comment

Answer is: D

1342.

Consider the following statements :
I.The DNA controls all the activities of the cell
ll. It transfers the hereditary characters from one generation to the next.
lll. lt controls protein synthesis
IV. It produces RNA.
Of the statements :

(a)I alone is correct

(b)L and Il are correct

(c)L, ll and III are correct

(d)All are correct

Comment

Answer is: D

1343.

Which one of the following statements is wrong about meiosis?

(a)It brings about genetic variations

(b)Reduction in the number of chromosomes in the gametes

(c)It happens in the meristematic region

(d)It maintains the number of chromosomes in an organism

Comment

Answer is: C

1344.

Penicillium is
l. afungus
ll. a green mould
III. a bacterium
IV. a medicine.
Of the statements :

(a)I alone is correct

(b)L and II are correct

(c)I,II and IV are correct

(d)All are correct

Comment

Answer is: B

1345.

Consider the following statements :
Assertion (A) : Fungi take up food from the substratum Reason
(R) : They excrete digestive enzymes into the substratum.
Of the statements :

(a)Both (A) and (R) are true, and (R) correct explanation of (A)

(b)Both (A) and (R) are true, but (R) the correct explanation of (A)

(c)(A) is true, but (R) is false

(d)(A) is false, but (R) is true

Comment

Answer is: A

1346.

Which one of the following plants is used in the treatment of Jaundice?

(a)Hibiscus

(b)Musa

(c)Eclipta

(d)Crotolaria

Comment

Answer is: C

1347.

Which of the following is wrongly matched?

(a)Rhizobium - Symbiotic nitrogen fixation

(b)Streptococcus lactis - Vinegar production

(c)Azotobacter - Non symbiotic nitrogen fixation

(d)Yeast - Fermentation

Comment

Answer is: B

1348.

The smallest angiosperm is

(a)Utricularia

(b)Arabidopsis

(c)Wolfia

(d)Ceratophyllum

Comment

Answer is: C

1349.

Identify the correct sequence of the following.

(a)Electron transport, ATP synthesis, Glycolysis, Krebs'cycle

(b)Glycolysis, Krebs'cycle, Electron transport, ATP synthesis

(c)ATP synthesis, Glycolysis, Krebs' cycle, Electron transport

(d)Krebs'cycle, Glycolysis, ATP synthesis, Electron . transport

Comment

Answer is: B

1350.

Which one of the following is correctly matched ?

(a)Mitochondrion - Photophosphorylation

(b)Yeast - Aerobic fungus

(c)Ferredoxin - Catalyst

(d)Ribosomes - Protein synthesis

Comment

Answer is: D

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Biology - Questions and AnswersPage 135

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