Abnormal secondary growth is observed in –
Which of the following cranial nerves are involved in the movement of eye?
New approach of conservation is the establishment of –
“Sariska National park” situated in –
Which is the element that hardens the tooth enamel ?
Which of the following animals qualifies as a sexually reproducing, oviparous species ?
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Solution
All these animals can reproduce sexually. However, only the chicken lays an external egg.
Rhizome which grows vertically upward is
PEPCo is associated with :
Indole ring is present in:
Km in enzymatic reaction is
Which phases of cell division is arrested in oogonia of vertebrate ?
Generally CO2 is not limiting for hydrophytes –
The test-tube Baby Programme employs which one of the following techniques?
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Solution
Test-tube baby programme employs zygote intrafallopion transfer (ZIFT) technique. In this technique fusion of ovum and sperm is done outside the body of woman to formzygote which is allowed to divide forming 8 blastomeres, then it is transferred the fallopion tube of the woman.
Microspore in angiosperms contain
A cutting of rose plantis thoroughly waxed and planted in the soil normally, it will form
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Solution
Water absorption and gaseous exchange stop due to wax.
Given below are pie diagrams A, B and C related to proportionate number of species of major taxa of invertebrates,vertebrates and plants respectively. Critically study and fill in the blanks I,II, III and IV
Protein amino acids are called
Twilight vision is also called
Which regulates reabsorption of salts from glomerular filtrate ?
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Solution
Mineralo corticoids regulates reabsorption of salts from glomerular filtrate.
The slow rate of decomposition of fallen logs in nature is due to their:
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Solution
The slow rate of decomposition of fallen logs in nature is due to their low cellulose content. It plays an essential part in abscission in plants, while microbial cellulases enable the digestion of plant material by herbivores.