Question # 1

When the rate of photosynthesis become equal to that rate of respiration in the plant body. which of the following pattern of gaseous exchange occurs between plaant and its environment.

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Carbon dioxide is absorbed, and oxygen is released

Oxygen is absorbed, and carbon dioxide is released

Neither carbon dioxide nor oxygen are absorbed

Both carbon dioxide andoxygen are absorbed

Wheb yeast ferments glucose, the products are.

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Alcohol and CO2

Alcohol and water

Lactic acid

CO2 and H2O

What is a common byproduct of anaerobic respiration in animal cells.

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Oxygen

Water

Lactic Acid

Carbon Dioxide

In which prt of the chloroplast does the light-dependent reaction occur.

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Stroma

Outer membrane

Thylakoid membrane

Matrix

Which of the following stateemtn correctly represents ribosomes.

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They are present only in eukaryotic cell

They are produced in the nucleus then migrate to the cytoplasm where they synthesize proteins

They are coered by singel memberane

All ribosomes are attached to the inner suface of RER

The branch whcih deals with the study of cell division is called.

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Physiology

Histology

Cell biology

Entomology

The study of how living things interact with each other and their environment in known as.

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Ecology

Anatomy

Genetics

Physiology

Aborption of wate molecuels through root hairs is due to.

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Diffusion

Active transport

Osmosis

Pessure flow

Who suggested the first system of classification of organisms.

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Al Jahiz

Aristotle

Averroes

John Ray

Following are the charactristics of a good hypothesis EXCEPT.

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Should be a complex statement

Should be a tentative idea

Should be testable

Should agree with available observations

Which of these can enter into Krebs cycle.

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Acetyl CoA

Pyruvic acid

Glucose

Citric Acid

It reproduces by bulbf.

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Tulip

Ginger

Fern

Garlic

In a data set with values 3,3,67,8,9,9 what is the mode.

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3

6

7

Both 3 and 9

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