Botany Optional Solved Questions & Answers | GkSeries

91 The wings of bat and bird are
1 homologous but not analogous
2 neither homologous nor analogous
3 analogous but not homologous
4 vestigial

Answer: homologous but not analogous
92 Galapagos Islands are associated with the name of
1 Lamarck
2 Wallace
3 Darwin
4 Weismann

Answer: Darwin
93 Which one is linked to evolution?
1 Extinction
2 Competition
3 Variation
4 Reproduction

Answer: Variation
94 Which part of Rauwolfia plant is used to obtain the alkaloid reserpine?
1 Leaf
2 Bark
3 Root
4 Stem

Answer: Root
95 The botanical name of jute is
1 Shorea robusta
2 Corchorus capsularis
3 Tectona grandis
4 Mangifera indica

Answer: Corchorus capsularis
96 Protein is obtained mainly from
1 belladona
2 rice
3 mustard
4 soya bean

Answer: soya bean
97 The sugar present in sugarcane is
1 glucose
2 fructose
3 sucrose
4 ribose

Answer: sucrose
98 Green tea is prepared by
1 fermentation of tea leaves
2 without fermentation of tea leaves
3 adding special type of enzyme
4 adding green colour

Answer: without fermentation of tea leaves
99 Chromosomes are best seen in
1 interphase
2 prophase
3 metaphase
4 telophase

Answer: metaphase
100 Which of the following is structural subunit of DNA?
1 Protein
2 Carbohydrate
3 RNA
4 Nucleotide

Answer: Nucleotide
junior administrative assistant jaa test series