Question # 1

Normal rate of heart beat in a healthy human being is ......... beats per minute.

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72

73

70

75

Biodiversity means :

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Variety with in a species

Variety among the species

Variety within a species and among the species

None of these

Which of the following is a type of leukocyte?

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Macrophage

Eosinophil

Monocyte

All of the above

Crossing occurs during ..................... .

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Meiosis

Mitosis

Meiosis II

None

Phloem tissues are made up of:

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Tracheids & Vessel cells

Tracheid & companion cells

Sieve tube cells & companion cells

Sieve tube cells & trancheids

Zaccharia Janssen and Hans Janssen were two ___________ eye glass makers.

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German

Dutch

British

America

Vitamin which acts as co-enzyme is:

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Vitamin A

Vitamin K

Riboflavin

All of these

The branch of biology which deals with the study of Classification of organisms is called.

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Systematics

Cell Biology

Taxonomy

Physiology

Felis leo is _____________

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Cat

Lion

Tiger

Deer

Which of these are responsible for blood clotting?

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Platelets

Erythrocytes

Neutrophils

Baseophils

Cutting down of trees is known as:

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Habitat loss

Deforestation

Extinction

None of these

Plants form beneficial relationships with soil bacteria fungi in order to:

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Avoid diseases

Absorption of minerals

Transpire more water

All of these

Which organelles have their own DNA?

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Chloroplast

Mitochondria

Both

None

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