Please select a subject first
Advertisements
Advertisements
Which statements are TRUE regarding genetic recombination?
- It occurs in asexually and sexually reproducing organisms.
- They occur due to random union of gametes, anaphasic separation of chromosomes, and crossing over.
- New genetic combinations result in variation.
Concept: undefined >> undefined
Identify the INCORRECT statement.
Concept: undefined >> undefined
Advertisements
Identify the INCORRECT statement.
Concept: undefined >> undefined
Selective reabsorption by active transport is carried out for substances like ______.
Concept: undefined >> undefined
____________ brings about evolutionary changes by favouring differential reproduction of genes.
Concept: undefined >> undefined
Identify the Central Dogma in molecular biology.
Concept: undefined >> undefined
Blood pressure is regulated in kidney.
The correct sequence of these steps is
i. Formation of Angiotensin II
ii. Secretion of Aldosterone
iii. Fall in blood pressure
iv. Reabsorption of Na+ from distal convoluted tubule.
v. Release of Renin
vi. Restoration of normal blood pressure
vii. Conversion of Angiotensinogen to Angiotensin I
viii. Activation of Juxta Glomerular cells.
Concept: undefined >> undefined
Study the following statements and select the correct option.
Statement A: The primary transcript produced in eukaryote is translated without undergoing any modification or processing.
Statement B: The hnRNA in humans has exons and introns.
Concept: undefined >> undefined
Identify the nucleotide sequence of the mRNA which codes for the sequence of amino acids 'Met-Leu- Val- Arg- Ala'.
Concept: undefined >> undefined
Fertilization between opposite mating gametes leads to ______.
Concept: undefined >> undefined
______ catalyzes polymerization in 5' → 3' direction during transcription.
Concept: undefined >> undefined
Match the Column I (RNA polymerases) with Column II (Transcribed products) and select the correct option.
| Column I | Column II | ||
| i. | RNA polymeraseI | a. | t-RNA |
| ii. | RNA polymerase II | b | rRNA |
| iii. | RNA polymerase III | c. | hnRNA |
Select the correct option from the following:
Concept: undefined >> undefined
____________ is the initiation codon.
Concept: undefined >> undefined
______ refers to the portion of gene which is transcribed but not translated.
Concept: undefined >> undefined
When water retention is necessary, ADH makes the cells of ______ permeable to water.
Concept: undefined >> undefined
In compliance with the Convention on Biological Diversity (CBD), which Act was passed in 2002?
Concept: undefined >> undefined
Reabsorption of water does NOT occur in part labelled as
Concept: undefined >> undefined
Identify the process represented in the diagram given below.
Concept: undefined >> undefined
The movement of genes into or out of a population is known as ______.
Concept: undefined >> undefined
Match Column I and Column II and choose the correct option.
| Column 'A' | Column 'B' | ||
| i. | Callus | a. | Breeding crops for improving their nutritional value. |
| ii. | Morphogenesis | b. | DNA molecules carrying the desired gene. |
| iii. | Biofortification | c. | Unorganized mass of loosely arranged parenchymatous cells. |
| iv. | Vectors | d. | Development of different plant organs from callus. |
Concept: undefined >> undefined
