Fructose is absorbed into the blood through mucosa cells of
Options
(a) Simple diffusion (b) Co-transport mechanism (c) Active transport (d) Facilitated transport
Correct Answer:
Facilitated transport
Explanation:
Fructose is absorbed with the […]
Legume seeds exhibit dormancy because of
Options
(a) Undeveloped embryo (b) Hard seed coat (c) Absence of cytokinin (d) Absence of GA₃
Correct Answer:
Hard seed coat
Explanation:
Seed of many plants including […]
You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will your use to distinguish between the two?
Options
(a) Secondary xylem (b) econdary […]
Which vector can clone only a small fragment of DNA?
Options
(a) Bactrial artifical chromosome (b) Yeast artificial chromosome (c) Plasmid (d) Comid
Correct Answer:
Plasmid
Explanation:
No explanation available. Be the first […]
Which one of the following statements is not correct?
Options
(a) Retinal is the light absorbing portion of visual photo pigments. (b) In retina the rods have the photopigments rhodopsin while cones have […]
Which one of the following statements is correct?
Options
(a) The seed in grasses is not endospermic. (b) Mango is a parthenocarpic fruit (c) A proteinaceous aleurone layer is present in maize grain. […]
Which one of the following shows isogamy with non-flagellated gametes?
Options
(a) Sargassum (b) Ectocarpus (c) Ulothrix (d) Spirogyra
Correct Answer:
Spirogyra
Explanation:
In Spirogyra, sexual reproduction occurs through conjugation. Gametes are non-flagellated morphologically […]
Which one of the following living organisms completely lacks a cell wall?
Options
(a) Cyanobacteria (b) Sea- fan (Gorgonia) (c) Saccharomyces (d) Blue- green algae
Correct Answer:
Sea- fan (Gorgonia)
Explanation:
No explanation […]
Which one of the following is wrongly matched?
Options
(a) Transcription- Writing information from DNA to t-RNA (b) Transcription- Using information in m-RNA to make protein (c) Repressor protein – Binds to operator […]
Which one of the following is wrong about Chara?
Options
(a) Upper oogonium and lower round antheridium (b) Globule and nucule present on the same plant (c) Upper antheridium and lower oogonium (d) […]
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