Which one of the following is not a micronutrient?
Options
(a) Molybdenum (b) Magnesium (c) Zinc (d) Boron
Correct Answer:
Magnesium
Explanation:
magnesium is a macronutrient. Micronutrients are essent5ial elements that are arquired […]
Vascular tissues in flowering plants develop from:
Options
(a) phellogen (b) plerome (c) periblem (d) dermatogen
Correct Answer:
plerome
Explanation:
Vascular tissues in flowering plants develop from plerome. Plerome is a central core […]
The part of fallopian tube closest to the ovary is
Options
(a) isthmus (b) infundibulum (c) cervix (d) ampulla
Correct Answer:
infundibulum
Explanation:
The part of fallopian tube closest to the ovary is […]
Spore dissemination in some liverworts is aided by
Options
(a) indusium (b) calyptra (c) peristome teeth (d) elaters
Correct Answer:
elaters
Explanation:
Elater is an elongated, spirally thickened, water-attracting cell in the capsule of […]
In angiosperms, functional megaspore develops into
Options
(a) embryo sac (b) ovule (c) endosperm (d) pollen sac
Correct Answer:
embryo sac
Explanation:
During megagametogenesis functional megaspore (mostly chalazal) gives rise to embryo sac. This […]
Filiform apparatus is a characteristic feature of
Options
(a) suspensor (b) egg (c) synergid (d) zygote
Correct Answer:
synergid
Explanation:
A synergid cell wall forms a highly thickened structure called the filiform apparatus […]
During meiosis I, the chromosomes start pairing at
Options
(a) Leptotene (b) Zygotene (c) Pachytene (d) Diplotene
Correct Answer:
Zygotene
Explanation:
During zygotene, a substage of Prophase I of meiosis I, chromosomes start pairing […]
Cellulose is the major component of cell walls of
Options
(a) Pythium (b) Xanthomonas (c) Pseudomonas (d) Saccharomyces
Correct Answer:
Pythium
Explanation:
Cellulose is a major component of cell wall of Pythium. Pythium is […]
Which one of the following is a vascular cryptogam?
Options
(a) Ginkgo (b) Marchantia (c) Cedrus (d) Equisetum
Correct Answer:
Equisetum
Explanation:
Equisetum is a vascular cryptogams. Equisetum is the only living genus in […]
Which of the following is a pair of viral diseases?
Options
(a) Common cold, AIDS (b) Dysentery, common cold (c) Typhoid, tuberculosis (d) Ringworm, AIDS
Correct Answer:
Common cold, AIDS
Explanation:
No explanation available. […]
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