32
16
8
4
Correct answer is C
A gamete is a haploid sex cell of an organism which is reproduced sexually. They contain half the number of chromosomes in an organism.
no of chromosomes = 16, hence, no of chromosomes in the gamete = \(\frac{1}{2}\) of 16 = 8
F1 flies all short-winged and F2 flies all normal-winged
F1 flies all normal and F2 flies all short-winged
F1 flies all short-winged and three-quarters of F2 flies are short-winged
F1 flies all normal-winged and three-quarters of F2 flies are normal-winged
Correct answer is D
No explanation has been provided for this answer.
Dead plants and animals are decomposed by bacteria and fungi into
nitrate
nitrites
amino acids
ammonium
Correct answer is D
When a plant or animal dies or an animal expels waste, the initial form of nitrogen is organic. Bacteria or fungi convert the organic nitrogen within the remains back into ammonium \(NH^{+}_{4}\), a process called ammonification.
The part of the brain that controls heart beat and breathing is the
olfactory lobe
cerebellum
cerebral hemisphere
medulla oblongata
Correct answer is D
No explanation has been provided for this answer.
When a short-sighted person views a distant object without spectacles, the image is formed
on the retina
in front of the retina
behind the retina
on the blind spot
Correct answer is B
The light rays focus just in front of the retina, resulting in distant objects appearing blurred.