In an experiment freshly hatched larvae of an insect (Khapra beetle) were reared on a basal diet (complete diet without cholesterol) with increasing amounts of cholesterol. Results obtained are shown in the given graph.
The graph indicates
In an experiment freshly hatched larvae of an insect (Khapra beetle) were reared on a basal diet (complete diet without cholesterol) with increasing amounts of cholesterol. Results obtained are shown in the given graph.
The graph indicates
- [AIIMS 2005]
- [AIIMS 2008]
- A
cholesterol is an essential dietary requirement of khapra beetle
- B
growth of khapra beetle is directly proportional to cholesterol concentration
- C
cholesterol concentration of $2\,μg/g$ diet is the optimum level
- D
growth of khapra beetle is inhibited when cholesterol concentration exceeds $5\,μg/g$ diet
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Triticale is the first man-made cereal crop. Mention the type of hybridisation through which it was produced.
Triticale is the first man-made cereal crop. Mention the type of hybridisation through which it was produced.
- [AIIMS 2018]
Parasexual hybridization means
Parasexual hybridization means
Which is best represents cross breeding ?
Match the Column - $I$ with $II$
Column $I$
Column $II$
$(1)$ Pusa Shubhra
$(a)$ Leaf and stripe rust
$(2)$ Pusa swarnim
$(b)$ Curl blight black rot
$(3)$ Pusa sadabahar
$(c)$ Chily mosaic virus
$(4)$ Himgiri
$(d)$ White rust
Match the Column - $I$ with $II$
| Column $I$ | Column $II$ |
| $(1)$ Pusa Shubhra | $(a)$ Leaf and stripe rust |
| $(2)$ Pusa swarnim | $(b)$ Curl blight black rot |
| $(3)$ Pusa sadabahar | $(c)$ Chily mosaic virus |
| $(4)$ Himgiri | $(d)$ White rust |
- [AIIMS 2019]