For transformation, micro-particles coated with DNA to be bombarded with gene gun are made up of :
Options
(a) Silver or Platinum (b) Platinum or Zinc (c) Silicon or Platinum (d) Gold or […]
Coiling of garden pea tendrils around any support is an example of:
Options
(a) thigmotaxis (b) thigmonasty (c) thigmotropism (d) thermotaxis
Correct Answer:
thigmotropism
Explanation:
The coiling of garden pea tendrils around any support […]
Carrier ions like Na⁺ facilitate the absorption of substances like:
Options
(a) Amino acids and glucose (b) glucose and fatty acids (c) fatty acids and glycerol (d) fructose and some amino acids
Correct Answer: […]
Which one of the following pairs is mismatched?
Options
(a) Apis indica – honey (b) Kenia lacca – lac (c) Bombyx mori – silk (d) Pila globosa – pearl
Correct Answer:
Pila globosa – […]
Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child?
Options
(a) Two X chromosomes (b) Only one Y chromosome (c) Only […]
The technical term used for the androecium in a flower of China rose (Hibiscus rosa sinensis) is:
Options
(a) Monadelphous (b) Diadelphous (c) Polyandrous (d) Polyadelphous
Correct Answer:
Monadelphous
Explanation:
Hibiscus belongs to […]
The cork cambium, cork and secondary cortex are collectively called:
Options
(a) phelloderm (b) phellogen (c) periderm (d) phellem
Correct Answer:
periderm
Explanation:
Phellem, phellogen and phelloderm are collectively called periderm
The coconut water and the edible part of coconut are equivalent to :
Options
(a) Endosperm (b) Endocarp (c) Mesocarp (d) Embryo
Correct Answer:
Endosperm
Explanation:
Liquid endosperm is an edible part of the […]
Lysozyme that is present in perspiration, saliva and tears destroys
Options
(a) certain types of bacteria (b) all viruses (c) most virus-infected cells (d) certain fungi
Correct Answer:
certain types of bacteria
Explanation:
Lysozyme […]
Globulins contained in human blood plasma are primarily involved in:
Options
(a) osmotic balance of body fluids (b) oxygen transport in the blood (c) clotting of blood (d) defence mechanisms of body
Correct Answer: […]
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