Question # 1

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

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Fats

Protein

Carbohydrates

Vitamins

Which event distinguishes meiosis form mitosis?

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Condensation of chromosomes

Loss of the nuclear membrane

Formation of metaphase plate

Pairing of homologous chromosomes

In binomial nomenclature, the first letter of the _____name is capitalized:

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Family

Class

Species

Genus

What is greatest threat to biodiversity on this planet?

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Habitat loss

Deforestation

Overpopulation

B and C

One gram of lipids contains energy:

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4 kilocalories

6 kilocalories

9 kilocalories

7 kilocalories

There are about ............. to ........ enzymes in cell.

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1000-2000

1000-2050

2000-6000

2000-3000

Enzymes accelerate reactions by_______the activation energy needed for the reaction.

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Stopping

Raising

Lowering

Binding

Basic unit of classification is:

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Genus

Order

Family

Species

Cell of fungi is made up of:

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Chitin

Cellulose

Murein

All

Plants are classified on the basis of _____________

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Environmental conditions

Anatomy

Colour of flowers

All of the above

Water makes the compositon of protoplasm of all living organisms

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50-60%

60-70%

60-80%

60-90%

The functional unit of kidney is called.

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Renal Pelvis

Nephron

Bowman's capsule

Renal Medulla

Every mature ovary is called:

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Seed

Fruit

Flower

Sporangia

The relationship between the alleles IA and IB of the blood group is:

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complete dominance

incomplete dominance

recessiveness

co-dominance

Cacti are example of:

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Hydrophytes

Xerophytes

Halophytes

None of these

Which neurons conduct impulses form CNS to effectors?

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Motor

Inter

Sensory

Hormones

Expired drugs cause damage to:

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Heart

Lungs

Kidneys

Stomach

Deposition of uric acid in joints is due to:

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Osteoarthritis

Gout

Osteoporosis

Rheumatold Arthritis

The Allele which is not expressed is called:

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Dominant

Recessive

Homozygous

Hetrozygous

The process in which inherited material transfer from generation to next generation:

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Reproduction

Respiration

Reduction

Circulation

Cartilage and bones are ___ type of animal tissues:

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Ground

Supporting

Connective

Columns

Enssential process for continuation of species is:

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locomotion

reproduction

respiration

cloning

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