Biology Test 51

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Biology Test 51

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Weekly Quiz Competition

Question 1
4 / -1

Which ape is closest to human :-

A
Gorilla

B
Chimpazee

C
Orangutan

D
Gibbon
Question 2
4 / -1

Eukaryotic cells considered as more efficient than prokaryotic cells, due to -

A
Compartmentlization of cytoplasm

B
Infoldings of membrane

C
Presence of cell wall

D
Aerobic respiration
Question 3
4 / -1

Chromatin condensation and movement of duplicated centriole towards opposite pole can be observed during-

A
Prophase

B
Metaphase

C
Anaphase

D
Telophase
Question 4
4 / -1

Chylomicrons are :-

A
protein molecules coated with fat

B
small granules found in gastric juice

C
small fat globules coated with protein

D
hormone that stimulate intestinal secretions
Question 5
4 / -1

Which of the following is an example of Mendelian disorder :

A
Klinefelter's syndrome

B
Down's syndrome

C
Turner's syndrome

D
Thalassemia
Question 6
4 / -1

Thecodont are not the ancestor of :-

A
Birds

B
Pelycosaurs

C
Dinosaurs

D
Crocodiles
Question 7
4 / -1

Directions For Questions

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 inactivated

(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

...view full instructions

The correct statements are :

A
(b) and (d)

B
(a) and (b)

C
(b) and (c)

D
(a) and (c)
Question 8
4 / -1

During the life cycle of Plasmodium, sexual reproduction takes place in which of the following hosts :-

A
Human

B
Female Anopheles mosquito

C
Male Anopheles mosquito

D
Both (1) and (2)

Question 9

4 / -1

Column-I		Column-II
I	Streptomyces	A	Nitrogen fixation
II	Rhizobium	B	Source of antibiotics
III	Nitrosomonas	C	Vinegar synthesis
IV	Acetobacter	D	Nitrification

Which of the combinations is correct ?

I-B, II-A, III-D, IV-C

I-C, II-D, III-A, IV-B

I-A, II-B, III-C, IV-D

I-D, II-B, III-A, IV-C

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Biology Test 51

Result

Biology Test 51

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SHARING IS CARING

Question 1

Gorilla

Chimpazee

Orangutan

Gibbon

Question 2

Compartmentlization of cytoplasm

Infoldings of membrane

Presence of cell wall

Aerobic respiration

Question 3

Prophase

Metaphase

Anaphase

Telophase

Question 4

protein molecules coated with fat

small granules found in gastric juice

small fat globules coated with protein

hormone that stimulate intestinal secretions

Question 5

Klinefelter's syndrome

Down's syndrome

Turner's syndrome

Thalassemia

Question 6

Birds

Pelycosaurs

Dinosaurs

Crocodiles

Question 7

(b) and (d)

(a) and (b)

(b) and (c)

(a) and (c)

Question 8

Human

Female Anopheles mosquito

Male Anopheles mosquito

Both (1) and (2)

Question 9

I-B, II-A, III-D, IV-C

I-C, II-D, III-A, IV-B

I-A, II-B, III-C, IV-D

I-D, II-B, III-A, IV-C

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