What is the difference between pivotal joint and ball socket?
Ball and socket joint is a type of joint that allows one part to rotate at almost any angle with... View Article
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Chloroplast dimorphism is a characteristic feature of
(a) Plants with Calvin Cycle (b) only algae (c) C4 plants (d) all plants Answer: (c) C4 plants Explanation: Dimorphic chloroplasts... View Article
What do you mean by endangered animals? Give two examples.
Endangered animals are the animals that are in danger of extinction. The survival of such animals is difficult if the... View Article
Polyadelphous stamens are found in
(a) Cotton (b) China rose (c) Pea (d) Lemon Answer: (d) Lemon Explanation: Polyadelphous stamens are found in lemons. Polyadelphous... View Article
In mouth, saliva converts starch into
(a) glucose (b) sucrose(c) maltose (d) lactoseCorrect option: (c) maltoseIn mouth, saliva converts starch into maltose. Saliva contains the enzyme... View Article
Name the male and female reproductive parts in plants.
Flowers perform the function of reproduction in plants. Flowers are the reproductive parts. However, stamens are the male reproductive part,... View Article
What is the common name of ctenoplana?
Ctenoplana is a genus of comb jellies, and the only genus in the family Ctenoplanidae. Also, ctenoplana is a part... View Article
In angiosperms functional megaspore develops into
In angiosperms functional megaspore develops into embryo sac.This happens through two distinct processes megasporogenesis and megagametogenesis.
Define anemophily.
Anemophily or wind pollination is a form of pollination whereby pollen is distributed by wind. Almost all gymnosperms are anemophilous... View Article
National Clean Energy Fund (NCEF)
India is said to be the largest carbon dioxide emitters in the world. In order to reduce its carbon emissions,... View Article
Forest Conservation Act 1980
The Forest (Conservation) Act of 1980 (FCA, 1980) is an act by the Parliament of India which ensures the conservation... View Article
Populism: Notes for UPSC Polity
Populism is a political stance that stresses upon the idea of the “people” while in opposition with a real or... View Article
09 Jun 2021: The Hindu Analysis
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 9th Jun 2021. Important news and... View Article
Lancang-Mekong Cooperation
The Lancang-Mekong Cooperation Mechanism is a multilateral format for cooperation among members on the Lancang-Mekong River. Multilateral organisations and groupings... View Article
If P(3, 4, 5), Q(4, 6, 3), R(-1, 2, 4), S(1, 0, 5) then the projection of RS on PQ is
1) -2 /3 2) -4 / 3 3) 1 /2 4) 2 Solution: (2) -4 / 3 \(\begin{array}{l}\begin{array}{l} \text {... View Article
If x coordinates of a point P of the line joining the points Q(2, 2, 1) and R(5, 2, -2) is 4, then the z-co-ordinates of P is
1) -2 2) -1 3) 1 4) 2 Solution: (2) -1 \(\begin{array}{l}\text \ Say \ P \ divides \ Q... View Article
The distance between the points (1, 4, 5) and (2, 2, 3) is
1) 5 2) 4 3) 3 4) 2 Solution: (3) 3 S = √(2 – 1)2 + (2 – 4)2... View Article
If O is the origin and OP = 3 with direction ratios -1, 2, -2, then co-ordinates of P are
1) (1, 2, 2) 2) (-1, 2, -2) 3) (-3, 6, -9) 4) (-1/3, 2/3, -2/3) Solution: (2) (-1, 2,... View Article
The plane XOZ divides the join of (1, – 1, 5) and (2, 3, 4) in the ratio λ : 1, then λ is
1) – 3 2) 3 3) – 1 / 3 4) 1 / 3 Solution: (4) 1 / 3 \(\begin{array}{l}\text... View Article
The points A(5, – 1, 1); B(7, – 4, 7); C(1, – 6,10) and D(-1, – 3, 4) are vertices of a
1) Square 2) Rhombus 3) Rectangle 4) None of these Solution: (2) Rhombus AB = BC = CD = DA... View Article
