Question # 1

The bio elements which account for 99% of the total mass in the human's body are.

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Four

Six

Eight

Three

Voice organs of birds.

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Larynx

Pharynix

syrinx

Vocal cords

Cell wall of oomycotes contain mostly

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Chitin

Cellulose

Pectin

Glycan

Sepia belong to.

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Cephalopoda

Myriapoda

Gastopoda

Annelida

The basic element of organic compound is.

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Nitrogen

Carbon

Hydrogen

Oxygen

Covalently bonded non protein part is called.

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Co factor

Activator

Prosthetic group

Co enzyme

...... are highly evolved of all the plants on earth

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Bryophytes

Pteridophytes

Angiosperms

Gymnosperms

The raw material for co-enzymes are

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Lipids `

Proteins

Vitamins

None of these

Neries belongs to class

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Polychaeta

Hirudinea

Oligocheaeta

Crustacea

The catalytic activity of an enzyme is restricted to its small protein called

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Active site

Passive site

Intermediate

Above all

________ is incorrect about guard cells.

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Have chloroplasts

Bean shaped

Connected to surrounding cells by plasmodesmata

surrounding stoma

Muscle present in the gut wall are

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Smooth

Skeletal

Cardiac

Voluntry

Chemical that cause fever and are produce from blood cells are

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Bilirubin

Interferons

Pyrogens

Anti biodies

Arthritis covers over 100 different types of inflammatory or degenerative diseases that damage the

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Legs

Arms

Sutures

Joints

The part of human limbic system.

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Amygdata

Cerebrum

Thalamus

Pons

The most toxic substance routinely found in the blood are metabolities of what type of molecule?

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Proteins

Carbohydrates

Nucleic acids

Fats

The amount of energy left plants have met their respiratory needs is net eprimary production , which shows up as plant:

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Respiration rate

Photosynthesis

Biomass

Food reserve

Repeating units of DNA are called.

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Histones

Nucleosides

Nucleotides

Amino acids

Detection of changes and signaling for effector's response to control system is called.

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-ive feedback mechanism

transformation

feed back mechanism

Nephridial system

Human body temperatrue is controlled by.

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Hypothalamus

Pons

Cerebellum

Medulla

Trisomy of chromosome 18 is found in.

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Down's syndrome

Edward syndrome

Patau syndrome

Jacob's syndrome

The condensation of chromosomes reaches to its maximum during.

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Pachytene

Zygotene

Leptotene

Diakinesis

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