Which of the following is not a X-linked recessive disease?
Options
(a) haemophilia (b) colour blindness (c) β thalassemia (d) glucose-6-phosphate dehydrogenase deficiency
Correct Answer:
β thalassemia
Explanation:
No explanation available. Be the […]
Which of the following is the unit DNA?
Options
(a) chromatin (b) chromosomes (c) euchromatin (d) chromatids
Correct Answer:
chromatin
Explanation:
No explanation available. Be the first to write the explanation for this […]
Which of the following situation will be fatal to first foetus?
Options
(a) If Rh⁺ man marries Rh⁺ women (b) If Rh⁻ man marries Rh⁺ women (c) If Rh⁺ man marries Rh⁻ women […]
Who discovered jumping genes in maize?
Options
(a) Milton Rand (b) Hugo de Vries (c) Keith Porter (d) Barbara mc Clintock
Correct Answer:
Barbara mc Clintock
Explanation:
No explanation available. Be the first […]
Homo erectus erectus is the scientific name of
Options
(a) java Ape man (b) peking man (c) cro-magnon (d) neanderthal
Correct Answer:
java Ape man
Explanation:
Pithecanthropus erectus is also known as java […]
Human ancestors who left cave paintings were
Options
(a) neanderthal man (b) cro-magnon man (c) java ape man (d) peking man
Correct Answer:
cro-magnon man
Explanation:
Cro-Magnon man are very close relative of modern […]
Hybrid vigour is due to
Options
(a) heterosis (b) overpopulation (c) both heterosis and overpopulation (d) none of these
Correct Answer:
heterosis
Explanation:
Heterosis or hybrid vigour is the condition in which […]
In the primitive atmosphere which was not available in free state?
Options
(a) CH₄ (b) H₂ (c) O₂ (d) H₂O
Correct Answer:
O₂
Explanation:
The early atmosphere was without free oxygen, so atmosphere was […]
Institute of paleobotany is situated at
Options
(a) Delhi (b) Allahabad (c) Lucknow (d) Aurangabad
Correct Answer:
Lucknow
Explanation:
The institute of Paleobotany is situated at Lucknow. The name of this institute is due […]
Lederberg and lederberg demonstrated that mutations are preadaptive. They used the following tecnique for the purpose
Options
(a) replica plating (b) gene sequencing (c) transduction (d) transformation
Correct Answer:
replica plating
Explanation:
No […]
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