Question # 1

Most of the uptake of water and minerals from soil takes place through

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Roots

Root hair

Epidermal layers

Root cap

The process of taking in food is.

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Digestion

Ingestion

Assimilation

Absorption

The number of oxidation steps during one Krebs. cycle are.

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02

03

04

05

In Mollusca, a blue respiratory pigment is present called.

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Haemoglobin

Haemoerythrin

Haemocyanin

Prothombin

Excess gastric secretion is an important factor for

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Obesity

Piles

Food poising

Peptic Ulcer

Lovastain is used for lowering blood

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Pressure

Glucose

Cholesterol

Neraspora

Number of air sacs in birds is

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6

7

8

9

Spirochete is a bacterium.

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Aerobic

Anaerobic

Facultative

Microaerophilic

Margulis and Schwartz accommodate the diverse assemblage orf organism of Protista into.

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37 phyla

27 Phyla

10 Phyla

5 Phyla

Which type of cells in human stomach secrete gastrin.

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Mucous cell

Parietal cells

Endocrine cells

Zymogen cells

The heart is enclosed in a double membranous sac, the.

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Pericardium

Myocardium

Pericardial cavity

Abdominal cavity

The zone, rich in life, in a fresh water lake is called.

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Littoral zone

Profundal zone

Limnetic zone

Deseret

G₁ is time between the end of mitosis and initiation of DNA synthesis also called as

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Pre-DNA synthesis phase

DNA synthesis phase

Post-DNA synthesis phase

None of these

They have adaptations for reduced rate of transpiration.

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Halophytes

Hydrophytes

Mesophytes

Xerophytes

Innate behavior is all but;

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Heritable

Intrinsic

Sterotypic

Flexible

Green colour blindness is called.

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Deiteranopia

Tritanopia

Protamptoa

colour blind

The removal of sebum on the skin is for

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Nutrition

Excretion

Protection

Thermoregulation

Muscle present in the gut wall are.

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Smooth

skeletal

Cardiac

Voluntary

In sickle cell anemia disease, a single thymine is replaced with an adenine in the DNA that codes for.

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Valine

Glycine

Histidine

Glutamic acid

Secondary growth leads to an increase in the diameter if the.

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Leaf

Root

Stem

Stem and root

The Syndrome which is an example of trisomy of the sex chromosome is

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Turner's syndrome

Down's syndrome

Klinefelter's syndrome

Tay-Sach's syndrome

In Meselson ansd stahl experiment, the DNA from sample at 20 minutes, after centrifugatioon it made sediments at the :

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Top

Bottom

Intermediate

Top & intermediate

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