Question # 1

Guttation occurs in plants through.

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Cutitle

Hydathodes

stomata

Lenticels

According to Lock and key model , the activate is.

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Soft structure

Flexible structure

Rigid structure

Attractive structure

Hydra belongs to phylum

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Mollusca

Cridaria

Arthropoda

Annelida

In integrated disease management involves

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Combating of disease

Loss of microbes

Extinction of species

Division of zygote

The optimum pH of enter kinase is

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1.50

3.50

5.50

7.50

The rhizome in adiantum is protected by.

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Rementa

Fronds

Stomium

Stipe

Excretory organ in annelid are.

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Nephridia

Nephron

Flame cells

Malpighian tubule

Oxygen content of fresh air are

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200 ml/litre

10 ml/ litre

100 ml / litre

150 ml / litre

The number and variety of species in a place is called.

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Population

Community

Biodiversity

Diversity

The simplest of all the Bryophytes are

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Mosses

Liverworts

Club mosses

Hornworts

In birds the organ of voice is called.

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Vocal card

Larynx

Syrinx

Parabronchi

Opening of flower bud follows.

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Photonasty

Hyponasty

Epinasty

Haptonasty

At the distal end the femur forms knee joint with the proximal end of two parallel bones called

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Tibia and fibula

Radius & ulna

Carpals & metacarpals

Tarsal & metatarsal

Secretors have dominant secretor gene 'Se' on chromosome.

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9

19

21

24

The hyphae of fungi are

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Phototactic

Chemotropic

Geotropic

Chemotactic

Joints that are held together by short fibers embedded in connective tissue.

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Fibrous joints

synovial joints

Hing joint

Cartilaginous joint

The microtubules of mitotic apparatus are composed of protein tubulin nd traces of.

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DNA

RNA

Lipids

Terpenoids

Oestrus cycle, a reproductive cycle in found in as females except.

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Cat

Cow

Humanin being

Lion

Cardiac muscles are muscles of the

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Liver

Stomach

Kidney

Heart

PCR takes its name from _________ the enzyme that carries out DNA replication in a cell.

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DNA Polymerase

DNA Ligase

DNA Polymerase II

Restriction enzymes

Repeating units of DNA are called.

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Histones

Nucleosides

Nucleotides

Amino acids

Here, light is insufficient to support photosynthesis.

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Littoral zone

Profundal zone

Limetic zone

Photoplankton zone

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