List of practice Questions

Based on the number of coharts, arrange the following series in the descending order.
Which of the following statements are correct about viroids?
How many times the diploid number of chromosomes of Ophioglossum is more than haploid number of chromosomes of Zea mays?
Match the following:
Development of an embryo from an unfertilized egg cell is called as
Study the structural formula given below and identify the compound/substance with its related function
Zygomorphic flowers showing imbricate aestivation are present in
Among the following, Acidic amino acid, Basic amino acid and Neutral amino acids are in the sequence of
Study the lists I, II, III & IV given below and identify the mismatch.
Identify the correctly matched pairs.
A. Leptotene - Synapsis occurs
B. Zygotene - Pairing of homologous chromosomes
C. Pachytene - Crossing over do not occur
D. Diplotene - Nuclear membrane dissolves
E. Diakinesis - Terminalisation of chiasmata
Mycoplasma causes 'X' disease in plants and 'Y' disease in cattle. 'X' and 'Y' diseases serially are
Consider the following statements:
Assertion (A): Hilum is a scar on the seed coat
Reason (R): Through hilum the developing seeds were attached to the fruit
Identify the correct parts of leaf modifications of the pitcher plant shown in Lists-1 and-2.
Reagents and compound to convert ethyl bromide → 2-butanone:
An amine X (C4H11N) on heating with CHCl3 in ethanolic KOH forms a foul-smelling substance. Product of other amine Y (C4H11N) and benzenesulphonyl chloride is insoluble in alkali. What are X and Y respectively?
In several fungi and plants, the bisexual condition is denoted by
Match the following:
Match the following:
Identify the sclerenchymatous structures (parts) given below related in dicot and monocot stems:
I. Pericycle in young dicot stem
II. Hypodermis in monocot stem
III. Vascular bundle sheath in monocot stem
IV. Endodermis in dicot stem
Leaf tendrils and foliar stipules are found in this plant
Arrange the following polymers in increasing order of intermolecular forces:
Source for vitamin C and vitamin E respectively are:
Identify the correct antibiotic set:
What are X and Y in the following reaction sequence?
Statement I: Boiling point of diethyl ether < 1-butanol.
Statement II: Diethyl ether miscible with water to almost same extent as 1-butanol.