Question # 1

The electron transport chain system play role in generation of ATP by.

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Photosynthesis

Chemiosmosis

Dark reaction

Photosynthesis

Ferns belong to the group

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Sphenopsida

Lycopsida

Psilopsida

Filicinae

Which one of following is not cell but the fragment of large cells.

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Basophils

Leucocytes

Platelets

Erythrocytes

The largest invertebrate animal is

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Cuttle fish

Octopus

Glant squid

Dhysalia

Chlorophyll 'a' of photosystem I absorbs maximum light of.

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670 nm

700 nm

680 nm

690 nm

Each ascus comprise ascospores.

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04

08

12

03

Covalently bonded non protein part is called.

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Co factor

Activator

Prosthetic group

Co enzyme

Coral reefs are mostly formed. of.

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Calcium carbonate

Silica

Chitin

Lignin

The partly digested food in cockroach is temporarily stored in.

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Crop

Gizzard

Rectum

Stomach

The volume of the blood in a normal person, plasma constitutes about.

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15%

25%

55%

75%

Bacterial pathogenicity is due to.

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Cell wall

Capsule

Slime

Cell envelope

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

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Kidney

Nephron

Protonephridia

Nephridia

Synapsis occurs duiring.

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Pachytene

Leptotene

Zygotene

Diplotene

How many million nucleotides are in DNA of typical human chromosome

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140

160

180

200

The execratory product with require minimum water for its removal.

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Urea

Uric acid

Creatinine

Ammonia

Interphase can further be divided into

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G₁-phase,S-phase and G₂-phase

G₁-phase,G₂-phase and G₃-phase

S₁-phase,S₂-phase and S₃-phase

S₁-phase,G-phase and S₂-phase

The genetic code for glycine is.

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UAG

GAU

GUA

GGU

Primer for PCR contains about.

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5 bases

10-20 bases

30 bases

40 bases

_______ regulates the kidney's retention of water.

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Prolactin

Oxytocin

Thyroxin

Vasopressin (ADN)

Temperate deciduous forest are located in Pakistan at.

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Chilas

Mian wali

Shogran

Sindh

Hyponastic movements occur in response to.

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Contact

Chemical

Temperature

Water

In Griffith experiment mice developed pneumonia when they were injected with:

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R-type bacteria

Heat killed S-type bacteria

Heat killed R-type bases

Heat killed S-type becteria along with live R-type becteria

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