Question # 1

The main tracheal trunk in cockroach communicates with exterior by

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100 pairs

10 pairs

8 pairs

4 pairs

Parmella is an example of.

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Fruticose lichen

Foliose lichen

Crustose lichen

Moss lichen

Energy poor inorganic oxidized compounds are reduced to energy rich carbohydrates duirng.

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Photosynthesis

Growth

Respiration

Development

Discharge of blood from blood vessel is called as

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Stroke

Heart Attack

Hemorrhage

thromobosis

The reversible inhibitors usually constitute

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Strong linkage with enzyme

Weak linkage with enzyme

No Linage with enzyme

medium linkage

Total photosynthesis is carried out by the terrestrial plants in about.

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15%

10%

20%

22%

The process that most likely/directly enables a root cell to absorb minerals by active transport and enable a muscle cell to contract is

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Circulation

Excretion

Respiration

Assimilation

Magnesium is an important nutrient ion in green plant as it is an essential component of

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Cell sap

Protean

chlorophyll

Glucose

The percentage of ribosomal RNA in the cell is.

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4%

20%

50%

80%

African sleeping sickness is caused by

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Entamoeba

Trypanosoma

Pelomyxa

Stentor

Mucus in saliva is made of

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Glycolipids

Glycoproteins

Phospholipids

Saturated fatty acids

Diffused nervous system is found in

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Poriferans

Platyhelminthes

Cnidarians

annelids

The wall of trachea(windpipe) and bronchi of man is fernished with a series of incomplete:

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Cartilagenous plates

Chitinous rings

Cartilaginous rings

Muscular rings

Which prosess is characterized by movement and rearrangement of cells in the embryo

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Blastulation

None of these

Neurulation

Gastrulation

In the eighteenth century organisms were classified by

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Charles Darwin

Alfred Wallace

Carolus Linnaeus

J.B Lamarck

Movement shown by sperms of liver Worts, mosses, forns towards archegonia is a.

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chemotactic movement

Photoactic movement

Chemotropic movement

Phototropic movement

Cases of disputed parenthood can be solved with the help of

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DNA Finger printing

Cloning

RNA Finger printing

Gene sequencing

In sickle cell anemia code for glutamic acid is replaced by.

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Leucine

Valine

Proline

Histidine

The functions of oxytocin islare to ___________

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Cause the uterus to contract

Induce labor

Stimulate the release of milk from the mother's mammary glands when her baby is nursing

All of the above

In which developmental stage, germ layers are formed.

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Cleavage

Blastula

Gastrula

Organogenesis

Animals of the group of flatworms have simple tubular secretory system called of

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Kidney

Nephron

Protonephridia

Nephridia

A dichromate can perceive two primary colours but is unable to perceive the one whose opsins are missing due to

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Metamorphosis

Transmutation

Alteration

Mutation

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