Biology Test 50

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Biology Test 50

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Weekly Quiz Competition

Question 1
4 / -1

Consider the following four statements (a-d) and select the option which includes all the correct ones only ?

(a) Genus is a group of related species which has more characters in common in comparison to species of other genera.

(b) Classification is not a single step process.

(c) Solanum, Petunia and Datura are placed in family convolvulaceae.

(d) Taxonomic categories are neither distinct biological entities nor merely morphological aggregates.

A
Statements a, b

B
Statements a, b, d

C
Statements a, b, c, d

D
Statements b, c, d
Question 2
4 / -1

In the given four statements (a-d), select the options which includes all the correct ones only:-

(a) Fibroblast cells are undifferentiated cells of connective tissue proper.

(b) Plasma cells secretes Histamine in small quantity

(c) Multilocular adipocytes form white fat

(d) Dust cells are macrophages of lungs

A
Statement (a), (b), (c)

B
Statement (b), (c), (d)

C
Statement (b), (c)

D
Statement (a), (d)

Question 3

4 / -1

Match column-I with column-II and select the correct option from the codes given below :-

	Column-I		Column-II
A.	Delivers blood to glomerulus	(i)	Ascending and descending limbs
B.	Carries urine to pelvis	(ii)	Renal artery
C.	Collects filtrate from Bowman's capsule	(iii)	Collecting duct
D.	Loop of Henle	(iv)	PCT

A-(ii), B-(iii), C-(iv), D-(i)

A-(i), B-(iii), C-(ii), D-(iv)

A-(ii), B-(iv), C-(i), D-(iii)

A-(iv), B-(iii), C-(ii), D-(i)

Question 4
4 / -1

Read the following statements and fill in the blanks.

In case of withdrawal reflex, when sensory neuron directly connect with motor neuron then it is known as direct synapse and when it is connected with __(a)__, then it is called indirect synapse. Impulse from direct synapse goes to __(b)__ muscle while impulse from indirect synapse goes to __(c)__ muscle.

A
a - neuron, b - antagonist, c - agonist

B
a - interneuron, b - agonist, c - antagonist

C
a - interneuron, b - antagonist, c - agonist

D
None of these
Question 5
4 / -1

Coniferous forest in India occur above an altitude of :–

A
500 feet

B
2000 feet

C
4000 feet

D
6000 feet
Question 6
4 / -1

Select the incorrect statement :-

A
Plants capture only 2-10% of the incident solar radiation.

B
Hot spot are the areas of Endemic species.

C
The succession initiated in a pond, exhibit phytoplanktons as pioneer community.

D
Herbivores are most severely affected by competition than carnivores.
Question 7
4 / -1

Transgenic animal are use for :-

A
Study of disease

B
Biological product, vaccine safety

C
Both 1 and 2

D
None of these
Question 8
4 / -1

Who is the father of ecosystem ecology?

A
A. G Tansley

B
Eugene P. Odum

C
Ram Dev Mishra

D
Haeckel
Question 9
4 / -1

Complete oxidation of a molecule of pyruvic acid yields

A
36 ATP

B
15 ATP

C
30 ATP

D
18 ATP
Question 10
4 / -1

DNA replication occurs at :-

A
G₀ & G₁

B
G₂-stage

C
S-stage

D
Mitotic phase

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Biology Test 50

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Biology Test 50

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SHARING IS CARING

Question 1

Statements a, b

Statements a, b, d

Statements a, b, c, d

Statements b, c, d

Question 2

Statement (a), (b), (c)

Statement (b), (c), (d)

Statement (b), (c)

Statement (a), (d)

Question 3

A-(ii), B-(iii), C-(iv), D-(i)

A-(i), B-(iii), C-(ii), D-(iv)

A-(ii), B-(iv), C-(i), D-(iii)

A-(iv), B-(iii), C-(ii), D-(i)

Question 4

a - neuron, b - antagonist, c - agonist

a - interneuron, b - agonist, c - antagonist

a - interneuron, b - antagonist, c - agonist

None of these

Question 5

500 feet

2000 feet

4000 feet

6000 feet

Question 6

Plants capture only 2-10% of the incident solar radiation.

Hot spot are the areas of Endemic species.

The succession initiated in a pond, exhibit phytoplanktons as pioneer community.

Herbivores are most severely affected by competition than carnivores.

Question 7

Study of disease

Biological product, vaccine safety

Both 1 and 2

None of these

Question 8

A. G Tansley

Eugene P. Odum

Ram Dev Mishra

Haeckel

Question 9

36 ATP

15 ATP

30 ATP

18 ATP

Question 10

G0 & G1

G2-stage

S-stage

Mitotic phase

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G₀ & G₁

G₂-stage