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Plant Biology and Botany

Questions covering plant anatomy, morphology, reproduction, pollination, medicinal plants, and plant adaptations for competitive exams.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is a type of inflorescence in which flowers are without stalk?

  1. Spike
  2. Raceme
  3. Corymb
  4. Umbel
  5. Cyme
Question 2 Multiple Choice (Single Answer)

Root cap is not found in

  1. Lithophytes
  2. Hydrophytes
  3. Xerophytes
  1. Only 1
  2. Only 2
  3. Only 3
  4. Only 1 and 2
  5. Only 2 and 3
Question 3 Multiple Choice (Single Answer)

Which of the following statements is not correct?

  1. Cortex and pith are not distinct in monocot stem.
  2. Phellogen is a lateral meristem.
  3. Scattered vascular bundles are characteristic feature of dicot stem.
  4. In dicot roots vascular bundles are radial.
  5. In monocotyledons root cambium is absent.
Question 4 Multiple Choice (Single Answer)

Assertion: Apical meristem is made up of a single cell called apical cell whose activity leads to the formation of the entire body of plant.
Reason: Apical cells situated at root tip and shoot tip are responsible for growth of root and stem.

  1. A and R both are correct and R is correct explanation of A.
  2. A and R both are correct and R is not correct explanation of A.
  3. A is correct and R is incorrect.
  4. A is incorrect and R is correct.
  5. A and R both are incorrect.
Question 5 Multiple Choice (Single Answer)

Which of the following plants is a leguminous plant?

  1. Thea sinensis
  2. Pennisetum typhoideum
  3. Arachis hypogea
  4. Pyrus malus
  5. Musa paradisiaca
Question 6 Multiple Choice (Single Answer)

Which of the following is/are sub-aerial modification of stem?

  1. Bulb
  2. Rhizome
  3. Runner
  4. Stolon
  5. Sucker
  1. Only 1 and 2
  2. Only 1, 2 and 3
  3. Only 2 and 4
  4. Only 2, 3 and 4
  5. Only 3, 4 and 5
Question 7 Multiple Choice (Single Answer)

Which of the following shows haploid structures?

  1. Nucellus
  2. Antipodal cell
  3. Egg cell
  4. Megaspore mother cell
  1. Only 1 and 2
  2. Only 2 and 3
  3. Only 2, 3 and 4
  4. Only 3 and 4
  5. All of these
Question 8 Multiple Choice (Single Answer)

Assertion (A): Monocotyledonous plants have no secondary growth.
Reason (R): Secondary growth takes place by the activity of cambium and cork cambium.

  1. A and R both are correct and R is correct explanation of A.
  2. A and R both are correct and R is not correct explanation of A.
  3. A is correct and R is incorrect.
  4. A is incorrect and R is correct.
  5. A and R both are incorrect.
Question 9 Multiple Choice (Single Answer)

Which of the following is the capacity of any part of even single cell to give rise to a complete plant?

  1. Apomixes
  2. Totipotency
  3. Allogamy
  4. Apogamy
  5. Polyembryony
Question 10 Multiple Choice (Single Answer)

Which of the following pairs is matched correctly?

  1. Pollination by insects - Hydrophilly
  2. Pollination by water - Entomophily
  3. Pollination by birds - Anemophily
  4. Pollination through air - Ornithophily
  5. Pollination by snails - Malachophily
Question 11 Multiple Choice (Single Answer)

Which of the following plants has anti-malarial properties?

  1. Quina
  2. Women's bane
  3. Rattlepods
  4. Teak
  5. Fennel
Question 12 Multiple Choice (Single Answer)

Which of the following are modifications of tap root?

  1. Solanum tuberosum
  2. Ipomoea batatas
  3. Daucus carota
  4. Zingiber officinale
  1. Only 1 and 2
  2. Only 1 and 3
  3. Only 2 and 3
  4. Only 2 and 4
  5. Only 3 and 4
Question 13 Multiple Choice (Single Answer)

Iron is an extremely important transition metal in biological systems. It helps to perform various biological functions, such as

  1. transport of O2 to tissues
  2. release of O2 to muscle cells
  3. cofactor to some enzymes
  1. Only 1
  2. Only 2
  3. Only 3
  4. 1 and 2
  5. 1, 2 and 3
Question 14 Multiple Choice (Single Answer)

Which of the following plants are used as medicinal plants?

  1. Emblica officinalis
  2. Aconitum ferox
  3. Hevea brasiliensis
  4. Salix alba
  5. Dalbergia latifolia
  1. Only 1 and 2
  2. Only 1, 2 and 3
  3. Only 2, 3 and 4
  4. Only 2, 4 and 5
  5. Only 4 and 5
Question 15 Multiple Choice (Single Answer)

Which of the following is known as the pollination in closed flowers?

  1. Dichogamy
  2. Parthenogamy
  3. Geitonogamy
  4. Cleistogamy
  5. Xenogamy
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