Question # 1

Silk fiber, myosin, fibrin and keratin are examples.

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Fibrous proteins

Tough proteins

Oval proteins

Globular proteins

There are ...... known species of plants

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120000

227000

360000

412000

What is not true about micro filaments.

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Actin

Amoeboid movement

Cyclosis

Linked with outer surfaced plasma membrane

The partly digested food in cockroach is temporarily stored in.

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Crop

Gizzard

Rectum

Stomach

A group of similar cells that perform similar function is

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Organ

Organelles

Tissues

System

Rhizopus belongs to class.

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Deuteromycetes

Basidiomycetes

Zygomycotic

Ascorny cetes

Which statement about plastids is true

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They are surrounded by a single membrane

They are power house of cell

They are found in all organisms

They contain DNA and ribosomes

All algae except one of the following have forms with flagellated motile cells in at least one stage of their life cycle.

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Euglenophyga

Phrrophyta

Rhodophyta

Chlorocyphyta

Which of the following statement about the ribosomes is correct

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They are structurally different from free ribosomes

They are enclosed in their own membrane

They are concentrated in the cisternal space for the rough ER

They are attached to cisternal surface

Mucus in saliva is made of

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Glycolipids

Glycoproteins

Phospholipids

Saturated fatty acids

The process of evolution of leaf was completed is more than

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15-16 million year

15-17 million year

15-19 million year

15-20 million year

How many million nucleotides are in DNA of typical human chromosome

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140

160

180

200

The gens found in a breeding population constitute.

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Genotype

Genome

Gene frequency

Gene pool

Reproduction is very important to the survival of.

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Species

Individual

Population

Community

The number of sets of microtubules originate from each pair of centriole is.

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03

04

05

06

The numebr of cervical vertebrae are.

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7

12

33

32

Which one is not a bone of axial skeleton

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Ribs

Sternum

Pelvic

Cranium

Mendellan factors were renamed as 'genes' by

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Mendel

Correns

Morgan

Johannsen

The phase of meiosis during which nuclei disappear int he cell is called.

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Pachytene

Leptotene

Zygotene

Diplotene

PCR takes its name from

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RNA polymerase

DNA polymerase

DNA ligase

Endonuclease

Example of day Neutral plant is.

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Tomato

Xanthium

Soyabean

Chrysanthium

In succesion lithoseres takes place on:

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Sand

Water

Forest floor

Bare rocks

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