Biology Test 89

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Biology Test 89

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Weekly Quiz Competition

Question 1
4 / -1

Arrangement of ear ossicles, starting from ear drum is :-

A
Stapes, malleus, incus

B
Malleus, incus, stapes

C
Incus, stapes, malleus

D
Stapes, incus, malleus
Question 2
4 / -1

Sexual reproduction oogamous type and accompaned by complex post fertilization :-

A
Chlorophyceae

B
Phaeophyceae

C
Cyanophyceae

D
Rhodophyceae
Question 3
4 / -1

What is common between bryophytes and pteridophytes ?

A
Both have vascular tissue

B
Both have seeds

C
Their gametophyte is free-living

D
Their sporophyte is dependent
Question 4
4 / -1

Transverse section of stem of Cucurbita can be identified from the transverse section of Maize stem by the presence of–

A
Absence of cambium in the vascular bundles

B
Conjoint, collateral and open vascular bundle

C
Scattered vascular bundles

D
Conjoint, bicollateral and open vascular bundles
Question 5
4 / -1

Which phase corresponds to the interval between the mitosis and initiation of DNA replication ?

A
S phase

B
M phase

C
G₁ phase

D
G₂ phase
Question 6
4 / -1

Which type of regeneration in found in planaria?

A
Morphallaxis

B
Epimorphosis

C
Compensatory

D
Both 1 & 2
Question 7
4 / -1

Formation of embryo directly from egg without fertilization is known as :

A
Parthenocarpy

B
Apogamy

C
Apospory

D
Parthenogenesis
Question 8
4 / -1

Which of the following set represents convergent evolution :

A
Wings of sparrow and wings of bat

B
Hind limb of rat and human

C
Potato and sweet potato

D
Blood proteins of man and apes
Question 9
4 / -1

Darwin gave the theory of evolution was based on:

A
Inheritance of acquired characters

B
Natural selection

C
Mutation

D
Abiogenetic origin of life
Question 10
4 / -1

Which of the following statement is correct ?

A
55 percent of blood plasma is water and proteins contribute 6-8 percent of it

B
Eosinophils (60-65%) resist infections and are also associated with allergic reactions

C
Platelets also called thrombocytes, are cell fragments produced from megakaryocytes.

D
RBC's have an average life span of 4 to 5 days

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Biology Test 89

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Biology Test 89

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Question 1

Stapes, malleus, incus

Malleus, incus, stapes

Incus, stapes, malleus

Stapes, incus, malleus

Question 2

Chlorophyceae

Phaeophyceae

Cyanophyceae

Rhodophyceae

Question 3

Both have vascular tissue

Both have seeds

Their gametophyte is free-living

Their sporophyte is dependent

Question 4

Absence of cambium in the vascular bundles

Conjoint, collateral and open vascular bundle

Scattered vascular bundles

Conjoint, bicollateral and open vascular bundles

Question 5

S phase

M phase

G1 phase

G2 phase

Question 6

Morphallaxis

Epimorphosis

Compensatory

Both 1 & 2

Question 7

Parthenocarpy

Apogamy

Apospory

Parthenogenesis

Question 8

Wings of sparrow and wings of bat

Hind limb of rat and human

Potato and sweet potato

Blood proteins of man and apes

Question 9

Inheritance of acquired characters

Natural selection

Mutation

Abiogenetic origin of life

Question 10

55 percent of blood plasma is water and proteins contribute 6-8 percent of it

Eosinophils (60-65%) resist infections and are also associated with allergic reactions

Platelets also called thrombocytes, are cell fragments produced from megakaryocytes.

RBC's have an average life span of 4 to 5 days

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G₁ phase

G₂ phase