Question # 1

Chromosomes condensation occurs during .............. .

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G1-phase

G2-phase

S-phase

Interphase

............... is an essential requirement of photosynthesis.

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CO2

H2O

O2

All

The process of lubrication & digestion steels in ............... .

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Oral cavity

Phyranx

Oesophagus

Stomach

Which one of the following is without nuclear membrane?

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Animilia

Plantae

Monera

Protista

In Pakistan the forest area is _____________

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2.5%

5.2%

6.5%

5.5%

_____________ modified the Whittaker system.

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Aristotle

Margulies

Sachwartz

Both a and b

Cytokinesis in a plant cell is characterized by:

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The equal division of homologous chromosomes

A pinching off of the cell membrane to divide the cell

The formation of a cell plate in the cytoplasm

The movement of the chromosomes from the metaphase plate

.......... is the most abundant .

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Chlorophyll a

Chlorophyll b

Chlorophyll c

Chlorophyll d

What is true about volvox.

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Unicelllur prokaryotes

Colonial eukaryotes

Unicellular eukaryotes

Multicellular eukaryotes

Crossing occurs during ..................... .

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Meiosis

Mitosis

Meiosis II

None

Catabolism constitutes ................. processes.

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Constructive

Destructive

Both a & b

None

Which one of the following is tertiary consumer.

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Owl

Larva of burtterfly

Deer

Rabbit

Genes consist of.

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RNA

mRNA

Protein

DNA

Amount of carbon dioxide in inspired air is:

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16%

0.04%

4%

None of these

Pharmacology was developed in:

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17th century

18th Century

19th Century

20th Century

Which one is used for the production of plastics?

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Bacillus

Aspergillus

Saccharomyces

None of these

The skeleton found outside the body is called:

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Endoskeleton

Exoskeleton

Hydroskeleton

Fibroskeleton

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

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complete dominance

incomplete dominance

recessiveness

co-dominance

Identify the correctly matched pair:

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Rainfall biotic factors in ecosystem

Global warming formation of fossil fuels

Renewable natural resources air

Corn secondary consumer

What is the function of the ureter?

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To store urine.

To carry urine from the kidney to the bladder

To carry urine out of the body

To remove waste from the blood

Chromatin material is made of:

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DNA

Protein

RNA

DNA and Protein

Example of Ectoparasite is:

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Becteria

Virus

Ascaris

Mosquito

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