A test cross is carried out to
A test cross is carried out to
Options
(a) determine the genotype of a plant at F2 (b) predict whether two traits are linked (c) assess the number of alleles of a gene […]
AIPMT2012M
Which one of the following is a wrong statement regarding mutations?
Which one of the following is a wrong statement regarding mutations?
Options
(a) Deletion and insertion of base pairs cause frame-shift mutations (b) Cancer cells commonly show chromosomal aberrations (c) UV and Gamma […]
Read the following four statements about plants and diseases
Read the following four statements (A)Colostrum is recommended for the new born because it is rich in antigens (B)Chikungunya is caused by a Gram negative bacterium (C)Tissue culture has proved useful in obtaining virus-free plants […]
Which one of the following statements is correct with respect to immunity?
Which one of the following statements is correct with respect to immunity?
Options
(a) Preformed antibodies need to be injected to treat the bite by a viper snake (b) The antibodies against small […]
A fall in glomerular filtration rate (GFR) activates
A fall in glomerular filtration rate (GFR) activates
Options
(a) adrenal cortex to release aldosterone (b) adrenal medulla to release adrenaline (c) juxta – glomerular cells to release renin (d) posterior pituitary to […]
The idea of mutations was brought forth by
The idea of mutations was brought forth by
Options
(a) Gregor Mendel, who worked on Pisum sativum (b) Hugo de Vries, who worked on evening primrose (c) Hardy Weinberg, who worked on allele […]
Identify the meiotic stage in which the homologous chromosomes separate
Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres?
Options
(a) Metaphase – I (b) Metaphase – II (c) Anaphase – I (d) Anaphase […]
Which one of the following biomolecules is correctly characterized?
Which one of the following biomolecules is correctly characterized?
Options
(a) Lecithin – A phosphorylated glyceride found in cell membrane (b) Palmitic acid – An unsaturated fatty acid with 18 carbon atoms. (c) Adenylic […]
Select the correct statement about bio-diversity
Select the correct statement about bio-diversity
Options
(a) Large scale planting of Bt cotton has no adverse effect on biodiversity (b) Western Ghats have a very high degree of species richness and endemism […]
Cuscuta is an example of
Cuscuta is an example of
Options
(a) ectoparasitism (b) brood parasitism (c) predation (d) endoparasitism
Correct Answer:
ectoparasitism
Explanation:
Cuscuta, or Dodder plant, is a parasitic plant that wraps around other plants for […]