Which one of the following techniques made it possible to genetically engineer living organism ?
Options
(a) Recombinant DNA techniques (b) X-ray diffraction (c) Heavier isotope labelling (d) Hybridization
Correct Answer:
Recombinant DNA […]
Which one of the following help in absorption of phosphorus from soil by plants?
Options
(a) Glomus (b) Rhizobium (c) Frankia (d) Anabaena
Correct Answer:
Glomus
Explanation:
No explanation available. Be the first to […]
Which one of the following enzymes carries out the initial step in the digestion of milk in humans?
Options
(a) Pepsin (b) Rennin (c) Lipase (d) Trypsin
Correct Answer:
Rennin
Explanation:
Rennin is an […]
What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells ?
Options
(a) 42 (b) 63 (c) 84 (d) 21
Correct […]
The length of different internodes in a culm of sugarcane is variable because of
Options
(a) shoot apical meristem (b) position of axillary buds (c) size of leaf lamina at the node below […]
The first movements of the foetus and appearance of hair on its head are usually observed during which mouth of pregnancy?
Options
(a) Fourth month (b) Fifth month (c) Sixth month (d) Third […]
Plants with ovaries having only one or a few ovules, are generally pollinated by
Options
(a) bees (b) butterflies (c) birds (d) wind
Correct Answer:
wind
Explanation:
Wind pollinated flowers have generally single […]
Anxiety and eating spicy food together in an otherwise normal human, may lead to
Options
(a) Indigestion (b) Jaundice (c) Diarrhoea (d) Vomiting
Correct Answer:
Indigestion
Explanation:
Anxiety and eating spicy food together in […]
Which one of the following human organs is often called the graveyard of RBC s ?
Options
(a) Gall bladder (b) Kidney (c) Spleen (d) Liver
Correct Answer:
Spleen
Explanation:
The average life span […]
The supportive skeletal structures in the human external ears and in the nose tip are examples of
Options
(a) ligament (b) areolar tissue (c) bone (d) cartilage
Correct Answer:
cartilage
Explanation:
Cartilage is […]
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