Entry Test MCQ :: Biology Diagnostic Test

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51.

A genome is

A.	Appearance of an individual	B.	Genetic basis of few characters
C.	Full set of genes of an individual	D.	All of these

52.

Genes will not be found in gene pairs in the

A.	Muscle cell of worm	B.	Uterine cells of dog
C.	Sperm cells of frog	D.	Guard cells of leaf

53.

The red green colour blindness is sex linked recessive condition in man. A father with normal vision and a color blind mother world expect to produce.

A.	Color blind sons and daughter with normal vision	B.	Sons with normal vision and color blind daughters
C.	Color blind sons colour blind daughters and daughters with normal vision	D.	Sons with normal vision colour blind daughter and daughters with normal vision

54.

Which one of the following stage preceeds mitosis during cell cycle?

A.	G1 phase	B.	S phase
C.	G2 phase	D.	M phase

55.

Which one of the following syndrome is the result of meiotic non dysjunction?

A.	Klinefelters syndrome	B.	Turners syndrome
C.	Downs syndrome	D.	All of these

56.

Which one of the following is correct sequence of stages of prophase 1 of meiosis

A.	Diakinesis diplotene pachytene leptotene zygotene	B.	Zygotene leptotene pachytene diplotene diakinesis
C.	Leptotene zygotene pachytene diplotene diakinesis	D.	Pachytene leptotene diplotene zygotene diakinesis

57.

In humans the number of tetrads formed during mitosis is

A.	23	B.	46
C.	0	D.	4

58.

The sequence of 3 bases on tRNA which is complementary to condon of mRNA is called

A.	Gene	B.	Anticodon
C.	Code	D.	Codon

59.

Which statement correctly describes the transcription of DNA?

A.	It produces another DNA molecule	B.	It produces mRNA
C.	It is a semi conservation process	D.	It occurs at surface of ribosomes

60.

The basic structural unit of a chromosome is

A.	The centromere	B.	Nuceleosome
C.	Telomere	D.	Histone