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Riya08
@riya08
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Joined: Dec 29, 2021
Last seen: Mar 10, 2022
Topics: 0 / Replies: 2143
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Answer to: Scientific name of plants are given by (a) International code for Botanical Nomenclature (b) International code for biological plants

Correct answer: (a) International code for Botanical Nomenclature Explanation: The scientific names of plants are given by International code for ...

4 years ago
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Answer to: In angiosperm, characters of flowers are used in classification because

Correct answer: (c) Characters of flowers are conservative

4 years ago
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Answer to: Biosystematics aims at (a) Identification and arrangement of organisms on the basis of cytological characteristics

Correct answer: (d) The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various...

4 years ago
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Answer to: National Botanical Research Institute is located in

Correct answer: (d) Lucknow Explanation: National Botanical Research Institute is located in Lucknow.

4 years ago
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Answer to: The study of fish culture is called

Correct answer: (d) pisciculture

4 years ago
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Answer to: Keystone species are (a) important for ecosystem (b) important for plants

Correct answer: (a) important for ecosystem Explanation: Keystone species are plants or animals species that play a unique and crucial role in the...

4 years ago
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Answer to: Musca domestica is common name of

Correct answer: (a) Housefly Explanation: Musca domestica is the common name of housefly.

4 years ago
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Answer to: Two taxonomic species are distinguished from each other by

Correct answer: (a) their failure to interbreed Explanation: Two taxonomic species are distinguished from each other by their failure to interbree...

4 years ago
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Answer to: The Phylogenetic System of classification was put forth by

Correct answer: (d) Adolf Engler and Karl Prantl

4 years ago
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Answer to: Which one amongst the following carbocations is most stable?

Correct answer: (d) Explanation: very stable carbocation.

4 years ago
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Answer to: The major product of the following reaction sequence is:

Correct answer: (b) Explanation: Hydroboration oxidation reaction.  figure.png

4 years ago
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Answer to: HOCl reacts on 3-methyl-2-pentene, the main product will be:

Correct answer: (c) Explanation: The reaction follows Markownikoff rule + →

4 years ago
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Answer to: The line 12x cosθ + 5y sinθ = 60 is tangent to which of the following curves?

Correct answer: (2) 144x2 + 25y2 = 3600 Explanation: 12x cosθ + 5y sinθ = 60 + = 1 is tangent to + = 1 144x2 + 25y2 = 3600

4 years ago
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Answer to: If ar = cos 2rπ/9 + i sin 2rπ/9, r = 1, 2, 3,...., i = √-1, then the determinant

Correct answer: (3) a1a9 - a3a7 Explanation: ar = , r = 1, 2, 3,...., a1, a2, a3,.... are in G.P. = = a17.a14.a17 Now a1a9 - a3a7 = a11...

4 years ago
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Answer to: A vertical pole fixed to the horizontal ground is divided in the ratio 3 : 7 by a mark on it with lower part shorter than the upper part.

Correct answer: (2) 12√10 Explanation: figure.png Let height of pole = 10ℓ tanα = = tan2α = = use tanα = ⇒ ℓ = height of pol...

4 years ago
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Answer to: lim_x → 0 sin^2(πcos^4 x)/x^4 is equal to

Correct answer: (3) 4π2 Explanation: .(1 + cos2 x)2 = . = 4π2

4 years ago
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Answer to: If dy/dx = 2^x+y - 2^x/2^y, y(0)= 1, then y(1) is equal to

(2) log2 (1 + e) Explanation: = = 2x(2y - 1) dy = ∫2x dx = +C ⇒ log2(2y - 1) = 2xlog2e + C ∵ y(0) = 1 ⇒ 0 = log2e + C C = -log2e ...

4 years ago
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Answer to: If the function f(x) = {1/x loge ((1+x/a)/(1-x/b)), x < 0 f(x) = k, x = 0, f(x) = (cos^2 - sin^2 - 1)/(√(x^2 +1)-1, x > 0) is continuous at x = 0, then 1/a + 1/b + 4/k is equal to

Correct answer: (1) -5 Explanation: If ƒ(x) is continuous at x = 0, RHL = LHL = ƒ(0) = . (Rationalisation) - . = -4 = + = + ...

4 years ago
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