Biology Test 52

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Biology Test 52

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Weekly Quiz Competition

Question 1
4 / -1

The scientist working in botanical garden is known as :-

A
Botanist

B
Zoologist

C
Curator

D
Herbalist
Question 2
4 / -1

If Meselson and Stahl's experiment is continued for four generations in bacteria, the ratio of 15_N/15_N : 15_N/14_N : 14_N/14_N containing DNA in the fourth generation would be :-

A
8 : 8 : 0

B
4 : 12 : 0

C
0 : 4 : 10

D
0 : 2 : 14
Question 3
4 / -1

Porocytes are the special cells for the passage of :-

A
Sweat upon surface of mammalian skin

B
Excretory products within body of tapeworm

C
Out going water current on top of sponges

D
In coming water current through body wall of sponges
Question 4
4 / -1

In the process of organic evolution, which of the following appeared for the first time in pteridophytes :-

A
Alternation between haploid and diploid generations

B
Progressive evolution of gametophytes and sporophytes

C
Elaboration of diploid generation and reduction in haploid generation

D
All of the above
Question 5
4 / -1

All genes located on the same chromosome:-

A
Form one linkage group

B
Will not form any linkage group

C
Always show incomplete dominance

D
Always show co-dominance
Question 6
4 / -1

In the Inheritance of flower colours in dog flower plant, the F₁ had a phenotype that :-

A
Resembles both of the parents

B
Did not resembles either of the two parents

C
Resembles with only one parent

D
(1) and (3)
Question 7
4 / -1

(A) Metal ions are co-factor which form coordination bonds with side chains at the active site and at the same time form one or more coordination bonds with the substrate.

(B) Co-enzymes are organic compounds and their association with the apoenzyme is permanent.

A
Both (A) and (B) are correct

B
Both (A) and (B) are incorrect

C
Only (A) is correct

D
Only (B) is correct
Question 8
4 / -1

For the completion of fertilization which sequence of layers (outer to inner) are crossed by sperm ?

A
Theca externa – Theca media – Corona radiata – Zona pellucida – Plasma membrane of oocyte

B
Corona radiata – Zona pellucida – Perivitelline space – Plasma membrane of oocyte

C
Zona pellucida – Corona radiata – Theca externa

D
Theca interna – Zona pellucida – Corona radiata – Plasma membrane of oocyte
Question 9
4 / -1

In cockroach heart rate is controlled by :

A
Prothoracic gland

B
Corpora allata

C
Corpora cardiaca

D
Abdominal gland
Question 10
4 / -1

Berry fruit is found in :-

A
Mango

B
Bitter gourd

C
Maize

D
Tomato

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Biology Test 52

Result

Biology Test 52

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Rank

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SHARING IS CARING

Question 1

Botanist

Zoologist

Curator

Herbalist

Question 2

8 : 8 : 0

4 : 12 : 0

0 : 4 : 10

0 : 2 : 14

Question 3

Sweat upon surface of mammalian skin

Excretory products within body of tapeworm

Out going water current on top of sponges

In coming water current through body wall of sponges

Question 4

Alternation between haploid and diploid generations

Progressive evolution of gametophytes and sporophytes

Elaboration of diploid generation and reduction in haploid generation

All of the above

Question 5

Form one linkage group

Will not form any linkage group

Always show incomplete dominance

Always show co-dominance

Question 6

Resembles both of the parents

Did not resembles either of the two parents

Resembles with only one parent

(1) and (3)

Question 7

Both (A) and (B) are correct

Both (A) and (B) are incorrect

Only (A) is correct

Only (B) is correct

Question 8

Theca externa – Theca media – Corona radiata – Zona pellucida – Plasma membrane of oocyte

Corona radiata – Zona pellucida – Perivitelline space – Plasma membrane of oocyte

Zona pellucida – Corona radiata – Theca externa

Theca interna – Zona pellucida – Corona radiata – Plasma membrane of oocyte

Question 9

Prothoracic gland

Corpora allata

Corpora cardiaca

Abdominal gland

Question 10

Mango

Bitter gourd

Maize

Tomato

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