Question # 1

How many elements maek 99% of the total mass.

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Four

Six

Eight

Ten

Lock and key model was proposed by:

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Emil Fischer

Melcher

Koshland

Saugeo

Cell membrane i present in _______________ cells.

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Plants

Animals

Both

NOne

The ___________ is the membrane-enclosed structure in eukaryotic cells that contains the DNA of the cell.

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Mitochondrion

Chloroplast

Nucleolus

Nucleus

____________ is the characters of kingdom.

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Heterotrophic `

Chlorophyll

Autotrophic

All of them

Healthy skin & hairs are maintained by .............. .

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Fats

Protein

Carbohydrates

Vitamins

Concept of "Omnis cellula e cellula" was given by :

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Robert Hooke

Lorenz Oken

Robert Brown

Virchow

................. may be compared to a factory.

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Prokaryotic cells

Eukaryotic cell

Robert Brown

Robert Hooke

Enzymatic reactions are _______ of times faster than uncatalyzed reactions:

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Millions

Hundreds

Thousands

Billion

There are_______________chromosomes in radish.

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46

18

16

23

Anaerobic respiration occurs in the absence of ............. .

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Oxygen

Carbon

Nitrogen

All

In alcoholic fermentation, which bacteria is used?

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Sacchoromyces

Lactobucillus

Strepto-coccus

Both B and C

Reproduction method in Rhizopus is:

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Binary fusion

Budding

Spore formation

Parthenogenesis

Human Urinary system consists of.

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Kidneys

Ureter

Urinary bladder

All of these

The sequence of components of a coordinate action is:

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stimulus→ receptors→ coordinator→ response→ effector

receptor→ effector→ stimulus→ receptor→ response

effector→ response→ stimulus→ effector→ receptor

stimulus→ receptor→ co-ordinator→ effector → response

The byproducts of Photosynthesis is.

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Carbondioxide

Oxygen

Nitrogen

Ammonia

The total amount of living matter in an ecosystem at any time is called.

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Biomass

Energy

Food Chain

Food web

Binary fission is seen in :

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Yeast

Planaria

Hydra

Corals

An example of immoveable joint is :

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Joints of skull bone

Hip joint

Shoulder joint

Elbow joint

Mature cells of human body are called:

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Osteoclast

Shondrocytes

Oseocytes

Collagen

All living thing had been created in their current form only a few thousand years ago. This idea is known as:

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Theory of special creation

Evolution

Variations

None of these

It is an example of primary consumers:

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Cattles

Snake

Lion

Frog

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