Question # 1

Accessory photosynthetic pigment xanthophyll's are

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Green in colour

Red in colour

Yellow in colour

None of these

Which of the following vertebrates posses single circuit heart.

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Reptiles

Birds

Mammals

Fishes

Rubisco reacts with oxygen instead of CO2 during.

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Glycolysis

Respiration

Kreb cycle

Photorespiration

When flagella surround the whole cell, the condition is called

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Peritrichous

Atrichous

Amphitrichous

None of above

The percentage of water in human bone calls in.

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18%

19%

20%

25%

The mRNA of the total cell RNA is about.

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3 - 4 %

1 - 2%

2 - 4%

3 - 5 %

Temperate phage may exist as

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Prophage

Capsid

Virioid

Retrovirus

The animal with exceptionally large brain is.

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Star fish

Octopus

Snail

Sepia

The class hepaticeae includes about ...... species

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600

900

1100

1200

Lack of chlorophyll results in

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Diagnosis

Chlorosis

Phosphorus

Symbiosis

Sweet pea belongs to which family.

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Fabaceae

Solanaceae

Rosaceae

Poaceae

The percentage by weight of RNA in a bacterial cells is

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0.25%

3%

5%

6%

Which structure of bacteria help in DNA replication.

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Plasmid

Mesosomas

cyst

Nucleoid

One of the accessory photosynthetic pigments carotenes are mostly.

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Green to yellow

Red to orange

Yellow to Orange

Orange and Red

The upward movement of sap through the xylem

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Ascent of sap

Plasmolysis

Deplasmoysis

Guttation

The reversible inhibitors usually constitute

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Strong linkage with enzyme

Weak linkage with enzyme

No Linage with enzyme

medium linkage

The polyp is reduced and medusa is dominant in

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Actinia

Aurelia

Oblelia

Madreporite

Mosses belong to the subdivision.

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Hepaticapsida

anthoceropsida

Bryopsida

Ascomycota

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Biology Fsc Part 1 Online Test MCQs With Answers

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