Plant Anatomy And Physiology MCQ

Test your knowledge with important Plant Anatomy And Physiology MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Plant Anatomy And Physiology MCQs on Bissoy. Bissoy App

• Which of the following types of light are strongly absorbed by plants?
  ক

  Violet and orange

  খ

  Blue and red

  গ

  Indigo and yellow

  ঘ

  Yellow and violet
• Which one of the following is active transport?
  ক

  It is the movement of a substance against a diffusion gradient with the use of energy from respiration

  খ

  It is the movement of a substance against a diffusion gradient without the use of energy

  গ

  It is the movement of a substance against a diffusion gradient with the use of energy from photosynthesis

  ঘ

  It is the movement of a substance along a diffusion gradient with the use of energy from respiration
• Which of these is the energy conversion that happens in the process called photosynthesis?
  ক

  Potential energy to chemical energy

  খ

  Light energy to chemical energy

  গ

  Heat energy to light energy

  ঘ

  Heat energy to light energy
• Which one of the following statements about transport mechanism in plants is correct?
  ক

  Diffusion of ions and small molecules across cellmembrane requires energy

  খ

  Active transport of ions and small molecules across cell membrane against concentration gradient requires energy

  গ

  Cells conserve energy and no energy is required for transport of ions and small molecules against concentration gradient

  ঘ

  Cells do not transport ions across their membrane as these are charged molecules
• Which light is most effective in photosynthesis?
  ক

  Red

  খ

  Blue

  গ

  Green

  ঘ

  Violet
• What is the formula of glucose?
  ক

  C₆H₂₂O₁₁

  খ

  C₆H₁₀O₅

  গ

  C₆H₁₂O₆

  ঘ

  C₆H₆O₆
• Exchange of gases occurs through which part of the plant tissue?
  ক

  Phloem

  খ

  Stomata

  গ

  Xylem

  ঘ

  Midrib
• Which one of the following agents does not contribute to propagation of plants through seed dispersal?
  ক

  Wind

  খ

  Fungus

  গ

  Animal

  ঘ

  Water
• What is the ultimate product of Glycolysis?
  ক

  Ethyl alcohol

  খ

  Carbon dioxide

  গ

  Pyruvic acid

  ঘ

  Glucose
• The by-product of photosynthesis is
  ক

  CO₂

  খ

  O₂

  গ

  energy

  ঘ

  sugar
• Which one of the following is not a plant hormone?
  ক

  Cytokinin

  খ

  Ethylene

  গ

  Insulin

  ঘ

  Gibberellin
• Which of the following is a characteristic of permanent tissue?
  ক

  Cells divide repeatedly

  খ

  Inorganic inclusions are absent

  গ

  Intercellular spaces are present

  ঘ

  Vacuoles are absent
• Wilting of plants occurs due to excessive
  ক

  absorption

  খ

  transpiration

  গ

  respiration

  ঘ

  guttation
• A clone is a group of individuals obtained through
  ক

  self-pollination

  খ

  hybridisation

  গ

  micropropagation

  ঘ

  cross-pollination
• Which one of the following is the process involved in photosynthesis?
  ক

  Potential energy is released to form free energy

  খ

  Free energy is converted into potential energy and stored

  গ

  Food is oxidized to release carbon dioxide and water

  ঘ

  Oxygen is taken and carbon dioxide and water vapour are given out
• Which of the following full form of ATP is correct?
  ক

  Adenosine Tetraphosphate

  খ

  Adenine Tetraphosphate

  গ

  Adenosine Triphosphate

  ঘ

  None of the above
• Which of the following processes makes direct use of oxygen?
  ক

  Glycolysis

  খ

  Fermentation

  গ

  Citic Acid Cycle

  ঘ

  Electron transport
• In which one of the following physiological processes, excess water escapes in the form of droplets from a plant?
  ক

  Transpiration

  খ

  Guttation

  গ

  Secretion

  ঘ

  Excretion
• Which micronutrient is supplied by soil to plant?
  ক

  Phosphorous

  খ

  Calcium

  গ

  Zinc

  ঘ

  Nitrogen
• Which among the following is a male part of a flower?
  ক

  Stigma

  খ

  Stamen

  গ

  Style

  ঘ

  Pistil
• The process through which excess of light energy is dissipated in photosynthesis is known as
  ক

  scavenging

  খ

  photolysis

  গ

  photophosphorylation

  ঘ

  quenching
• Which of the following is not a waste product produced by plants?
  ক

  Water vapour

  খ

  Oxygen

  গ

  Gum arabic

  ঘ

  Carbon dioxide
• Which of the following plants is carnivorous?
  ক

  Cypress vine

  খ

  Venus Flytrap

  গ

  Amaryllis

  ঘ

  Hyacinth
• A seed can germinate in the absence of
  ক

  adequate light

  খ

  supply of oxygen

  গ

  suitable moisture

  ঘ

  suitable temperature
• Which of the following diseases is caused by bacteria?
  ক

  Downy mildew of grapes

  খ

  Anthracnose of beans

  গ

  Potato leaf roll

  ঘ

  Soft rot of carrot