PPSC lecturer Botany Past Paper 2017 Archives - DAWN MCQS

A microscope that has a magnification of 1.500x with the oil immersion lens has an ocular of what power?

A) 150x

B) 15x

C) 1 5x

D) 30x

The cocci which forms a chain is?

A) Streptococci

B) Diplococci

C) Staphylococci

D) Tetracocci

How many possible phenotypes are there for ABO bleed group?

A) 4

B) 6

C) 8

D) 16

The offspring of mating between two pure strains are called:

A) Hybrid

B) Mutant

C) The P generation

D) F₂ generation

The alternate forms of a gene is called?

A) Recessive character

B) Dominant character

C) Alleles

D) Alternative gene

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The genetic code is:

A) Universal

B) Universal except for rare exceptions in mitochondria and some protozoa

C) Species-specific

D) Kingdom-specific

The number of types of gametes produced by a heterozygous individual is?

A) 1

B) 2

C) 3

D) many

Which of the following is called an acrocentric chromosome?

A) 21

B) 17

C) 7

D) 18

Antibodies are:

A) Proteins

B) Glycoproteins

C) Carbohydrate

D) Nucleic acid

Methane is the simplest:

A) Alcohol

B) Hydrocarbon

C) Carbonyl

D) Amine

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