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Kingdom Plantae MCQ

48 MCQ questions with answers and explanations · page 1 of 2

Q1. Which of the following leaf modifications occurs/occur in desert areas to inhibit water loss ? 1. Hard and waxy leaves 2. Tiny leaves or no leaves 3. Thorns instead of leaves Select the correct answer using the codes given below .

  1. A1 and 2 only
  2. B2 only
  3. C1 and 3 only
  4. D1, 2 and 3
Show answer & explanation

Answer: D) 1, 2 and 3

Q2. Consider the following statements : 1. Red algae appear black since they do not absorb light of any wavelength . 2. Yeast is commonly used for fermentation prior to baking . 3. Olive oil is extracted from seeds of olive plants. 4. Commercially used saffron represents dried stigmas from flowers. Which of the statements given above are correct ?

  1. A1, 2 and 3
  2. B1 and 3 only
  3. C2 and 3 only
  4. D2 and 4
Show answer & explanation

Answer: D) 2 and 4

Q3. Which one of the following crop combination is not adopted in mixed cropping in lndia ?

  1. AWheat and Mustard
  2. BWheat and Chick Pea
  3. CRice and Ground nut
  4. DGround nut and Sun flower
Show answer & explanation

Answer: C) Rice and Ground nut

Q4. The nutritive tissue in the seeds of higher plants is known as -

  1. AEndosperm
  2. BNucellus
  3. CHypocoty1
  4. DEmbryo
Show answer & explanation

Answer: A) Endosperm

Q5. Leaves of lotus and water lily are not easily wet because the leaves

  1. Ahave surface uneven in micro-scale and water cannot come into contact with the depressed areas due to high surface tension
  2. Bcontain an oily substance
  3. Ccontain a greasy substance
  4. Dhave surface too smooth to attract water
Show answer & explanation

Answer: A) have surface uneven in micro-scale and water cannot come into contact with the depressed areas due to high surface tension

Q6. A plant leaf appears to be green because it

  1. Aabsorbs green light
  2. Breflects all but yellow and blue light
  3. Creflects green light
  4. Dabsorbs red and yellow light
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Answer: C) reflects green light

Q7. Which is Plant Hormone ?

  1. AAuxins
  2. BGibberellins
  3. CCytokinins
  4. DAll
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Answer: D) All

Q8. Gibberellins, the plant growth hormone, are extracted from:

  1. AFungus
  2. BBacterium
  3. CAlgae
  4. DNone
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Answer: A) Fungus

Q9. A plant with green leaves viewed in red light will appear:

  1. AGreen
  2. BRed
  3. CViolet
  4. DBlack
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Answer: D) Black

Q10. Leaves of which of the following plants are not used for the rearing of silkworms ?

  1. AMulberry
  2. BCastor
  3. COak
  4. DTeak
Show answer & explanation

Answer: D) Teak

Q11. An orchid is considered to be a / an -

  1. ASymbiont
  2. BEndophyte
  3. CParasite
  4. DEpiphyte
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Answer: D) Epiphyte

Q12. Self pollination will lead to ----

  1. AOverbreeding
  2. BOutbreeding
  3. Clnbreeding
  4. DRare breeding
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Answer: C) lnbreeding

Q13. Hydroponics is a method of culture of plants without using :

  1. ASand
  2. BSoil
  3. CWater
  4. DLight
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Answer: B) Soil

Q14. The plant that behave as a root parasite is :

  1. AFicus
  2. BSantalum
  3. CCuscuta
  4. DEuphorbia
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Answer: C) Cuscuta

Q15. Name the tiny pores present on the surface of leaves in plants :

  1. AHydathodes
  2. BStomata
  3. CTrichomes
  4. DPits
Show answer & explanation

Answer: B) Stomata

Q16. The type of root formed in Betel vine is :

  1. AStilt Root
  2. BClinging Root
  3. CClimbing Root
  4. DProp Root
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Answer: C) Climbing Root

Q17. Which one of the following is the correct sequence of events during sexual reproduction in plants?

  1. ASeedling formation of embryo, pollination, fertilization, division of zygote
  2. BFormation of embryo, seedling, pollination, fertilization, division of zygote
  3. CPollination, fertilization, divisionofzygote, formation of embryo, seedling
  4. DSeedling formation of embryo, division of zygote, pollination, fertilization
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Answer: C) Pollination, fertilization, divisionofzygote, formation of embryo, seedling

Q18. Which among the following is the lowermost plants of the plant kingdom?

  1. AThallophyta
  2. BPteridophyta
  3. CPhanerogamae
  4. DBryophyta
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Answer: A) Thallophyta

Q19. Silver Fiber Revolution is associated to :

  1. ALeather
  2. BOil seeds
  3. CJute
  4. DCotton
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Answer: D) Cotton

Q20. Which micronutrient is supplied by soil to plant ?

  1. APhosphorous
  2. Bcalcium
  3. CZinc
  4. DNitrogen
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Answer: C) Zinc

Q21. The chopping of an onion makes one cry because of chemical containing-

  1. ASulphur
  2. BChlorine
  3. CBromine
  4. DNitrogen
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Answer: A) Sulphur

Q22. With reference to palm oil, consider the following statements - 1. The palm oil tree is native to southeast Asia. 2. The palm oil is a raw material for some industry producing lipstick and perfumes. 3. The palm oil can be used to produce biodiesel. Which of statement given above are correct ?

  1. A1 and 2 only
  2. B2 and 3 only
  3. C1 and 3 only
  4. D1, 2 and 3
Show answer & explanation

Answer: B) 2 and 3 only

Q23. Maize-Potato-Sugarcane-Moong is the example of crop rotation for -

  1. A1 year
  2. B2 years
  3. C3 years
  4. D4 years
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Answer: B) 2 years

Q24. Which of the following mango variety is mostly exported from lndia ?

  1. AAlphonso
  2. BLangra
  3. CChausa
  4. DGaurjeet
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Answer: A) Alphonso

Q25. World' s most problematic aquatic weed is ………

  1. AWolffia
  2. BAzolla
  3. CEichhornia
  4. DTrapa
Show answer & explanation

Answer: C) Eichhornia

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