Biology - Taxonomy and Morphology of Plant

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Question - 1

Sequence of taxonomic categories is

  • A Class-Phylum-Tribe-Order-Family-Genus-Species
  • B Division-Class-Family-Tribe-Order-Genus-Species
  • C Division-Class-Order-Tribe-Genus-Species
  • D Phylum-Order-Class-Tribe-Family

Question - 2

Consider the following statements:

1. Leaves turn light color.

2. Internodes are much elongated.

Which of the statements given above are correct about the 'etiolation' phenomenon observed in plants when they are kept in dark room?

 

  • A Only 1
  • B Only 2
  • C Both 1 and 2
  • D Neither 1 nor 2

Question - 3

Which one among the following has the specialized absorptive tissue in root?

  • A Orchids
  • B Epiphytes
  • C Monocots
  • D All of these

Question - 4

Consider the following statements:

1. Phylloclade is a cylindrical green photosynthetic stem with unlimited growth.

2. Cladode is a green photosynthetic stem with limited growth.

Which of the statements given above are correct about aerial shoot modification?

  • A Only 1
  • B Only 2
  • C Both 1 and 2
  • D Neither 1 nor 2

Question - 5

Which of the following parts of insectivorous plants such as Nepenthes darlingtonia, etc., have modified to capture insect?

  • A Leaf
  • B Stem
  • C Root
  • D Flower

Question - 6

Consider the following statements:

1. Bamboo is monocarpic.

2. Bamboo bears flowers in 20-25 years.

Which of the statements given above are correct?

  • A Only 1
  • B Only 2
  • C Both 1 and 2
  • D Neither 1 nor 2

Question - 7

The most advanced evolutionary inflorescence is found in

  • A Dahlia
  • B Calotropis
  • C Salvia
  • D Yucca

Question - 8

Match List I (Stem) with List II (Example) and select the correct answer using the codes given below.

List I List II
A. Rhizome 1. Colocasia
B. Corm 2. Ginger
C. Tuber 3. Potato
D. Bulb 4. Onion
  • A A B C D 2 1 3 4
  • B A B C D 1 3 4 2
  • C A B C D 3 4 2 1
  • D A B C D 4 2 1 3

Question - 9

Consider the following statements in relation to plant tissue ' chlorenchyma'

1.It is formed by the palisade and spongy mesophyll.

2. It is a form of parenchyma, which contains chloroplasts.

3. It serves to transport organic solutes made by photosynthesis.

4. It is a thin transparent layer which has chiefly a protective function.

Which of the statements given above are correct?

  • A 1 and 2
  • B 1, 2 and 3
  • C 2 and 4
  • D Only 1

Question - 10

Epiphytes are plants which depend on other plants for

  • A food
  • B mechanical support
  • C shade
  • D water