Question # 1

Female gametophyte in flowering plants is

Choose an answer

Ovary

Archegonium

Seed

Embryo sac

An activated enzyme with a co enzyme is called.

Choose an answer

Apoenzymes

Activators

Holo enzymes

Co enzymes

Haem portion of hemoglobin is also a porphyria ring but containing an iron atom instead of.

Choose an answer

Nitrogen atom

Sulpher atom

Magnesium atom

Potassium atom

Plasma proteins in the blood are about

Choose an answer

7-9%

9-11%

11-13%

0.9%

One of the following is a macromolecule.

Choose an answer

Starch

Protein

Cellulose

Glucose

The plasma proteins constitute percent by weight of plasma.

Choose an answer

7.9%

9-11%

11-13%

13-15%

All fungal nuclei are haploid except for transient diploid.

Choose an answer

spores

Zygota

Conidia

Zygospores

Which of the following pair of structure-function is mismatched

Choose an answer

Ribosomes, protein synthesis

Nucleolus, ribosomes production

Glogi, muscle contraction

Lysosome, intracellular digestion

In human body amount of carbon is.

Choose an answer

65%

10%

18%

3%

Detoxification of harmful drugs is the function of

Choose an answer

RER

SER

Both a and b

None of these

The percentage of ribosomal RNA in the cell is.

Choose an answer

4%

20%

50%

80%

The change of frequency of alleles at locus that occur by chance is called.

Choose an answer

Mutation

Migration

Genetic drift

Selection

Which of the following is macronutrient.

Choose an answer

Zinc

Iron

Sulphur

Iodine

Karyb. Mullis developed the polymerase chain reaction in.

Choose an answer

1963

1973

1983

1993

1 g of ammonia nitrogen requires how much water for excretion.

Choose an answer

50 ml

250 ml

100 ml

500 ml

Archaeobacteria can tolerate temperature upto.

Choose an answer

120 ^oC

140 ^oC

160 ^oC

180 ^oC

When expression of a biological character is observed in variable intensity, it is due to the efect of:

Choose an answer

Multiple alleles

Codominance

Epitasis

Polygenic inheritance

In root nodules, the organisms present are.

Choose an answer

Bacteria

Algae

Fungi

Cyapobacteria

The most toxic nitrogenous waste in animals is.

Choose an answer

Uric acid

ammonia

Creatinine

Urea

The enzyme luciferase is produced by an insert commonly known as the.

Choose an answer

House fly

Butter fly

Caddis fly

Fire fly

Lyell published the principle of.

Choose an answer

Population

Community

Geology

Blome

In Pakistan among the animals declared extinct is

Choose an answer

White headed duck

Marbled teal

Houbara Bustard

Crocodile

More Classes

Other Links

Biology Life Science Test Medium Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer