Organisms and Populations MCQ

Test your knowledge with important Organisms and Populations MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Organisms and Populations MCQs at Bissoy

• In which organisms left ovary and oviduct are present?
  ক

  Birds

  খ

  Mammals

  গ

  Plants

  ঘ

  Reptiles
• Among the following whose feature is a hollow body with pneumatic or spongy bones?
  ক

  Fishes

  খ

  Tigers

  গ

  Cockroach

  ঘ

  Birds
• What is an adaptation for flying called?
  ক

  Arboreal

  খ

  Volant

  গ

  Desert

  ঘ

  Aquatic
• Which adaptation is a feature of fishes?
  ক

  Hollow bones

  খ

  Presence of longer loop of Henle

  গ

  Streamlined bodies and scales

  ঘ

  Presence of beak
• What is an adaptation for an aquatic mode of life called?
  ক

  Fossorial

  খ

  Aquatic

  গ

  Volant

  ঘ

  Arboreal
• Which of the following has adapted for desert adaptation?
  ক

  Monkey

  খ

  Peacock

  গ

  Camel

  ঘ

  Pigeon
• What is an adaptation for survival in the desert called?
  ক

  Terrestrial adaptation

  খ

  Fossorial adaptation

  গ

  Arboreal adaptation

  ঘ

  Desert adaptation
• Which among the following has adapted for arboreal adaptation?
  ক

  Pigeon

  খ

  Rat

  গ

  Monkey

  ঘ

  Camel
• Which among the following is a characteristic of arboreal adaptation?
  ক

  Longer loop of Henle

  খ

  Long prehensile tail

  গ

  Short limbs

  ঘ

  Hind limbs provided with longer toes
• What is an adaptation for climbing and balancing called?
  ক

  Fossorial

  খ

  Arboreal

  গ

  Cursorial

  ঘ

  Terrestrial
• Which of the following is an adaptation for running?
  ক

  Desert

  খ

  Arboreal

  গ

  Cursorial

  ঘ

  Terrestrial
• What are the modifications of the organisms living on the land for their survival called?
  ক

  Aquatic

  খ

  Aerial

  গ

  Arboreal

  ঘ

  Terrestrial
• What are the interactions between organisms in a community called?
  ক

  Physical interaction

  খ

  Biological interaction

  গ

  Psychological interaction

  ঘ

  Chemical interaction
• What are the populations of the different species which live and interact together in the ecosystem called?
  ক

  Community

  খ

  Kingdom

  গ

  Genera

  ঘ

  Species
• What is a population?
  ক

  Species of a community

  খ

  Individuals in the same species

  গ

  Individuals in a family

  ঘ

  Communities in an ecosystem
• Where are stomata present in submerged hydrophytes?
  ক

  Nowhere

  খ

  On lower surface

  গ

  In the corners

  ঘ

  On the upper surface
• What are plants adapted to grow in the sand called?
  ক

  Halophytes

  খ

  Hydrophytes

  গ

  Mesophytes

  ঘ

  Psammophytes
• In which plants mechanical tissue is best developed?
  ক

  Mesophytes

  খ

  Xerophytes

  গ

  Psammophytes

  ঘ

  Hydrophytes
• Which of the following animal excretes solid urine?
  ক

  Crow

  খ

  Fishes

  গ

  Kangaroo rat

  ঘ

  Camel
• Through which part does photosynthesis occur in xerophytes?
  ক

  Scaly leaves

  খ

  Modified stems

  গ

  Root

  ঘ

  Chlorophyll
• In which plants do sunken stomata is seen?
  ক

  Temperate plants

  খ

  Hydrophytes

  গ

  Xerophytes

  ঘ

  Tropical plants
• In which region do succulents grow?
  ক

  Tropical

  খ

  Temperate

  গ

  Antarctica

  ঘ

  Desert
• Which is the adaptive radiation is used by poikilotherms to protect against extreme heat?
  ক

  Migration

  খ

  Cooling

  গ

  Aestivation

  ঘ

  Hibernation
• In which plants do stomata open at night?
  ক

  Hydrophytes

  খ

  Neem

  গ

  Mango

  ঘ

  Succulents
• What are the plants living in the desert called?
  ক

  Hydrophytes

  খ

  Mesophytes

  গ

  Sciophytes

  ঘ

  Hydrophytes
• Which one among the following statements is incorrect?
  ক

  Siberian crane is a migratory bird

  খ

  Archaebacteria flourishes in hot springs where the temperature exceeds >95°C

  গ

  Desert lizard has the ability to keep the constant body temperature

  ঘ

  Fishes can thrive in Antarctic water where the temperature is always below zero
• By what mechanism does the body compensate for low oxygen availability in altitude sickness?
  ক

  Increasing the binding affinity of hemoglobin

  খ

  Decreasing breathing rate

  গ

  Decreasing the binding affinity of hemoglobin

  ঘ

  Increasing red blood cell formation
• Which of the following is a symptom of altitude sickness?
  ক

  Irritation

  খ

  Heart palpitations

  গ

  Bleeding

  ঘ

  Hunger
• At what height does a person experience altitude sickness?
  ক

  >3500 m

  খ

  <3500 m

  গ

  >500 feet

  ঘ

  <500 feet
• What is an attribute of the organism that enables the organism to survive and reproduce in its habitat called?
  ক

  Homeostasis

  খ

  Adaptation

  গ

  Migration

  ঘ

  Hibernation