NEET Test 140...

The number of moles of  that will be needed to react with one mole of sulphite ion in acidic solution is:

After fertilization, in the embryo sac, which will grow faster?

Which of the following statements is/are false?

a. Each parent possesses a number of pairs of genes for each characteristic on a pair of chromosomes.

b. In the inheritance of more than one pair of traits in a cross simultaneously, the factors responsible for each pair of traits are distributed independently to the gametes. 

c. The characteristics of an organism are determined by internal factors that occur in pairs as only one of the pairs of such factors can be present in a single gamete.

What occurred during the Cambrian period of plant evolution?

Which of the following exists as covalent crystals in the solid-state?

Which one of the following is a correct option with reference to pathogenic bacteria and DDT?

Casparian strip occurs in:

In which of the following is the lining of simple columnar epithelium found?

A 4.5 cm long needle is placed 12 cm away from a convex mirror of focal length 15 cm. Give the location of the image and the magnification.

Which of the following statements about the process of digestion is CORRECT?

(I) Carbohydrates in the chyme are hydrolyzed by pancreatic amylase into monosaccharides directly.

(II) Nucleases in the intestinal juice act on nucleic acids to form nucleotides and nucleosides.