Which of the following is a total root parasite? from Biology Or

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 Multiple Choice QuestionsMultiple Choice Questions

151.

Match the following Columns
Column I Column II
A. Opuntia 1. Stem thorns
B. Asparagus 2. Phylloclades
C. Citrus 3. Cladodes

  • A B C
    1 2 3
  • A B C
    2 3 1
  • A B C
    3 2 1
  • A B C
    2 1 3

152.

The scientific name of gharial is

  • Naja bun garus

  • Gaviails gangeticus

  • Hemidactylusflavivridis

  • None of the above


153.

Predation and parasitism are which type of interactions.

  • (+, +)

  • (+, 0 )

  • ( -)

  • (+, -)


154.

The ultimate source of energy for a living being is

  • Sunlight

  • ATP

  • Fats

  •  Carbohydrates


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155.

Which of these is used to control human population?

  • Estrogen + progesterone

  • IUCD and MTP

  • Tubectomy and vasectomy

  •  All of the above


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156.

Which of the following is a total root parasite?

  • Cuscuta

  • Rafflesia

  • Santalum

  • Monotrapa


B.

Rafflesia

Rafflesia is a total root parasite, which remains attached to the roots of the host plants and derives all of its nutrition from them. Cuscuta (dodder or amarbel) is a total stem parasite, while Santalum album (sandalwood) is a partial root parasite.


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157.

Which part of the animal virus is not produced in multiple copies?

  • Capsid

  • Proteins

  • Envelops

  • Ribosome


158.

Biotic potential or potential natality means

  • Natural increase of population under ideal/optimum conditions

  • The potential of the organism in a biome

  • Number of organisms in a biome

  • Species of maximum number in a population


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159.

Choose the wrong pair

  •  Cenchrus-Savanna

  • Abies – Coniferous forest

  • Quercus – Broadleaf forest

  • Tectona – Temperate forest


160.

Match the following Columns
Column I (Pollination Technique) Column II (Pollinator)
A. Cheiropterophily 1. Ant
B. Anemophily 2. Bat
C. Myrmecophily 3. Snail
D. Malaciphily 4. Wind

 

  • A – 3; B – 2; C – 1; D – 4

  • A – 2; B – 4; C – 1; D – 3

  •  A – 4; B – 3; C – 2; D – 1

  • A – 1; B – 3; C – 2; D – 4


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