Question # 1

Developing seeds are a rich source of.

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Auxin

Gibberellins

Cytokinins

All of these

Rickets is due to deficiency of vitamin.

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A

C

D

E

A change in the community structure of an ecosystem over a period of time is:

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Ecological niche

Ecological mutation

Succession

Genetic Drift

Jean Baptiste Lamarck published his theory of evolution in

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1757

1809

1859

1945

The disorder in which bones are porous and thin but bone composition normal is:

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Osteomalacia

Osteoporosis

Rickets

Arthritis

Germinating pollen grain is a rich source of

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Gibberellins

Auxins

Cytokinin

Ethene

The spread of tumor cells and establishment of secondary area of growth is known as.

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Necrosis

Apoptosis

Metastasis

Epigenesis

In hershey & chase experiment, 32p labeled bacteriophages allowed to infect the becteria.During analysis 32 p activity wa detected:

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In culture medium

On the surface of becterial cell

Inside the becteiral cell

Both a and B

Human cells have 46 chromosomes consisting of

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20 pairs

21 pairs

22 pairs

23 pairs

The mechanism of evaporative cooling in respiratory tract of dog is known as

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Panting

Shievering thermogenesis

Thermoregulation

vasodilation

The producers in limnetic zone are

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Amoebae

Cyanobacteria

Crustaceans

Hydrilla

Biogeography is the geographical distribution of.

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Phylum

species

Genera

Classes

Full cell cycle in yeast cells has length of.

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30 minutes

60 minutes

90 minutes

124 minutes

The fusion of four posterior vertebrae present in the pelvic region from.

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Sacrum

Lumber

coccys

Chest cage

Study of single population's relationship to its environment is called.

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Niche

Autecology

synecology

Predation

Each Okazaki fragment is synthesized by.

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RNA Polymerase

DNA polymerase

DNA polymerase I

DNA polymerase III

A group of individuals belong to a particular species and sharing a common geographic area is called.

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Community

Population

Ecosystem

Biosphere

The type of Nastic movement ,which occurs in response to contact is called.

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Hyponastic

Photonasty

Nyctinasty

Thermonasty

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Biology Fsc Part 2 Online Test MCQs With Answers

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