Everyday Science MCQs

5120 MCQs  (Page 351 of 512)

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Blood does not clot in the blood vessels due to the presence of ___________?
A. Thrombin
B. Fibrinogen
C. Heparin
D. Prothrombin
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The haploid condition is found in _________?
A. Amoeba
B. Bacteria
C. Ovum
D. Zygote
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The character which appears physically in an animal is __________?
A. Genotype
B. Phenotype
C. Heterotype
D. Morphozygous
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The frequency of a character is found to be increasing when __________?
A. It is dominant
B. It is recessive
C. It is adaptable
D. It is inheritable
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How many nucleosomes are found in helical coil of 30 nm chromatin fibre ____?
A. 10
B. 12
C. 06
D. 09
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If the number of chromosomes in most body cells of a mammal is 40, the cells in the seminiferous tubule will have___________?
A. 40 chromosomes
B. 20 chromosomes
C. 10 chromosomes
D. While some other will have 20
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Balbiani discovered special type of chromosome from the salivary gland of chironomus larva which are recognized by the presence of ________?
A. Bands
B. Loops
C. Both bands and loops
D aLl of the above
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A cistron is ________?
A. Structural of gene
B. Functional unit of rna
C. Functional unit gene
D. Replication unit of gene
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Genetic information are carried in the form of long chain of molecules made-up-of _________?
A  Amino acids
B. Rna
C. Nucleotides
D. Polypeptides
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The elimination of toxic nitrogenous waste and excess water in man is by______?
A. Excretion
B. Circulation
C. Reproduction
D. Pollution
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Word of the Day
26 Jul
Simultaneously
at the same time.
ایک ہی وقت میں، ایک ساتھ، بیک وقت

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