Q. Which of the following is a feature of living organisms? (2021)
A.
They can be created from non-living matter
B.
They can reproduce
C.
They do not respond to stimuli
D.
They do not grow
Show solution
Solution
Living organisms have the ability to reproduce, which is a key feature of life.
Correct Answer:
B
— They can reproduce
Learn More →
Q. Which of the following is a feature of monocots? (2020)
A.
Two cotyledons
B.
Parallel leaf venation
C.
Vascular bundles in a ring
D.
Tap root system
Show solution
Solution
Monocots are characterized by having parallel leaf venation and one cotyledon.
Correct Answer:
B
— Parallel leaf venation
Learn More →
Q. Which of the following is a feature of monocotyledons? (2018)
A.
Two cotyledons
B.
Parallel venation
C.
Tap root system
D.
Presence of vascular cambium
Show solution
Solution
Monocotyledons are characterized by having parallel venation in their leaves.
Correct Answer:
B
— Parallel venation
Learn More →
Q. Which of the following is a feature of multicellular organisms? (2020)
A.
Single cell
B.
Complex structure
C.
No differentiation
D.
Asexual reproduction only
Show solution
Solution
Multicellular organisms have a complex structure with differentiated cells.
Correct Answer:
B
— Complex structure
Learn More →
Q. Which of the following is a feature of non-vascular plants? (2018)
A.
Presence of roots
B.
Presence of xylem and phloem
C.
Dependence on water for reproduction
D.
Production of seeds
Show solution
Solution
Non-vascular plants, such as bryophytes, depend on water for reproduction as they require water for sperm to swim to the egg.
Correct Answer:
C
— Dependence on water for reproduction
Learn More →
Q. Which of the following is a feature of prokaryotic cells? (2020)
A.
Nucleus present
B.
Membrane-bound organelles
C.
Circular DNA
D.
Multicellular
Show solution
Solution
Prokaryotic cells have circular DNA and lack a true nucleus.
Correct Answer:
C
— Circular DNA
Learn More →
Q. Which of the following is a feature of sexual reproduction? (2021)
A.
Single parent
B.
Genetic variation
C.
Slow process
D.
All of the above
Show solution
Solution
Sexual reproduction involves two parents and results in genetic variation among offspring.
Correct Answer:
B
— Genetic variation
Learn More →
Q. Which of the following is a feature of the kingdom Animalia? (2018)
A.
Cell walls made of cellulose
B.
Autotrophic nutrition
C.
Multicellular and heterotrophic
D.
Photosynthetic
Show solution
Solution
The kingdom Animalia consists of multicellular and heterotrophic organisms.
Correct Answer:
C
— Multicellular and heterotrophic
Learn More →
Q. Which of the following is a feature of the kingdom Plantae? (2018)
A.
Heterotrophic
B.
Cell walls made of cellulose
C.
Unicellular
D.
Motile
Show solution
Solution
Plants have cell walls made of cellulose and are primarily autotrophic.
Correct Answer:
B
— Cell walls made of cellulose
Learn More →
Q. Which of the following is a feature of the kingdom Protista? (2021)
A.
All are multicellular
B.
All are autotrophic
C.
Eukaryotic and mostly unicellular
D.
Prokaryotic
Show solution
Solution
The kingdom Protista consists of eukaryotic organisms that are mostly unicellular.
Correct Answer:
C
— Eukaryotic and mostly unicellular
Learn More →
Q. Which of the following is a feature of the living world? (2019)
A.
All living organisms are unicellular
B.
All living organisms are multicellular
C.
Living organisms exhibit complex organization
D.
Living organisms do not respond to their environment
Show solution
Solution
Living organisms exhibit complex organization, which is a key feature of life, distinguishing them from non-living entities.
Correct Answer:
C
— Living organisms exhibit complex organization
Learn More →
Q. Which of the following is a feature of the phylum Annelida? (2022)
A.
Body divided into segments
B.
Presence of a shell
C.
Radial symmetry
D.
Exoskeleton
Show solution
Solution
Annelids, such as earthworms, are characterized by their segmented bodies.
Correct Answer:
A
— Body divided into segments
Learn More →
Q. Which of the following is a feature of the phylum Arthropoda? (2023)
A.
Presence of a backbone
B.
Jointed appendages
C.
Soft body
D.
Radial symmetry
Show solution
Solution
Arthropods are known for their jointed appendages, which aid in movement and feeding.
Correct Answer:
B
— Jointed appendages
Learn More →
Q. Which of the following is a feature of the phylum Echinodermata? (2020)
A.
Radial symmetry
B.
Exoskeleton made of chitin
C.
Jointed appendages
D.
Body divided into segments
Show solution
Solution
Echinoderms exhibit radial symmetry and have a calcareous endoskeleton.
Correct Answer:
A
— Radial symmetry
Learn More →
Q. Which of the following is a feature of the phylum Platyhelminthes? (2019)
A.
Coelomate body plan
B.
Flat body shape
C.
Jointed appendages
D.
Presence of a shell
Show solution
Solution
Platyhelminthes, or flatworms, are characterized by their flat body shape and lack of a coelom.
Correct Answer:
B
— Flat body shape
Learn More →
Q. Which of the following is a feature of the phylum Porifera? (2020)
A.
Body is segmented
B.
Presence of a true coelom
C.
Body is porous
D.
Radial symmetry
Show solution
Solution
Porifera, or sponges, are characterized by their porous bodies that allow water to flow through.
Correct Answer:
C
— Body is porous
Learn More →
Q. Which of the following is a feature of the Plantae kingdom? (2023)
A.
Heterotrophic nutrition
B.
Cell walls made of chitin
C.
Photosynthetic autotrophs
D.
Unicellular organisms
Show solution
Solution
The Plantae kingdom is characterized by photosynthetic autotrophs, which produce their own food through photosynthesis.
Correct Answer:
C
— Photosynthetic autotrophs
Learn More →
Q. Which of the following is a feature of viruses? (2020)
A.
Cellular structure
B.
Metabolism
C.
Reproduction only in host cells
D.
Photosynthesis
Show solution
Solution
Viruses can only reproduce inside host cells, as they lack cellular structure and metabolism.
Correct Answer:
C
— Reproduction only in host cells
Learn More →
Q. Which of the following is a form of asexual reproduction? (2021)
A.
Fertilization
B.
Budding
C.
Pollination
D.
Conjugation
Show solution
Solution
Budding is a form of asexual reproduction where a new organism develops from an outgrowth or bud.
Correct Answer:
B
— Budding
Learn More →
Q. Which of the following is a form of vegetative propagation? (2021)
A.
Cutting
B.
Budding
C.
Binary fission
D.
Spore formation
Show solution
Solution
Cutting is a method of vegetative propagation where a part of a plant is used to grow a new plant.
Correct Answer:
A
— Cutting
Learn More →
Q. Which of the following is a form of vegetative reproduction? (2023)
A.
Cuttings
B.
Budding
C.
Binary fission
D.
Spore formation
Show solution
Solution
Cuttings are a form of vegetative reproduction where a part of the plant is used to grow a new plant.
Correct Answer:
A
— Cuttings
Learn More →
Q. Which of the following is a function of cytokinins in plant development? (2023)
A.
Promote leaf senescence
B.
Delay aging of leaves
C.
Inhibit cell division
D.
Promote root growth
Show solution
Solution
Cytokinins are known to delay leaf senescence and promote cell division, enhancing growth.
Correct Answer:
B
— Delay aging of leaves
Learn More →
Q. Which of the following is a function of cytokinins in plants? (2019)
A.
Promoting leaf senescence
B.
Stimulating root growth
C.
Inhibiting cell division
D.
Promoting shoot development
Show solution
Solution
Cytokinins promote shoot development and are involved in delaying leaf senescence.
Correct Answer:
D
— Promoting shoot development
Learn More →
Q. Which of the following is a function of cytokinins? (2019)
A.
Promoting leaf senescence
B.
Stimulating lateral bud growth
C.
Inhibiting cell division
D.
Promoting root growth
Show solution
Solution
Cytokinins stimulate lateral bud growth and delay leaf senescence.
Correct Answer:
B
— Stimulating lateral bud growth
Learn More →
Q. Which of the following is a function of epithelial tissue? (2023)
A.
Transport
B.
Absorption
C.
Secretion
D.
All of the above
Show solution
Solution
Epithelial tissue performs various functions including transport, absorption, and secretion.
Correct Answer:
D
— All of the above
Learn More →
Q. Which of the following is a function of ethylene in plants? (2022)
A.
Promotes leaf growth
B.
Stimulates root development
C.
Inhibits fruit ripening
D.
Promotes senescence
Show solution
Solution
Ethylene promotes senescence, which is the aging process in plants, leading to leaf drop and fruit ripening.
Correct Answer:
D
— Promotes senescence
Learn More →
Q. Which of the following is a function of plasma in the blood? (2021)
A.
Transporting oxygen
B.
Transporting nutrients and hormones
C.
Fighting infections
D.
Clotting blood
Show solution
Solution
Plasma is the liquid component of blood that carries nutrients, hormones, and waste products throughout the body.
Correct Answer:
B
— Transporting nutrients and hormones
Learn More →
Q. Which of the following is a function of saliva? (2022)
A.
Digestion of fats
B.
Digestion of proteins
C.
Digestion of carbohydrates
D.
Absorption of nutrients
Show solution
Solution
Saliva contains amylase, which begins the digestion of carbohydrates in the mouth.
Correct Answer:
C
— Digestion of carbohydrates
Learn More →
Q. Which of the following is a function of the gastric juice? (2023)
A.
Neutralizes stomach acid
B.
Digests carbohydrates
C.
Kills bacteria
D.
Absorbs nutrients
Show solution
Solution
Gastric juice contains hydrochloric acid, which helps kill bacteria in the stomach.
Correct Answer:
C
— Kills bacteria
Learn More →
Q. Which of the following is a function of the kidneys? (2023)
A.
Regulation of blood pH
B.
Production of red blood cells
C.
Regulation of blood pressure
D.
All of the above
Show solution
Solution
The kidneys perform multiple functions including regulation of blood pH, production of erythropoietin for red blood cell production, and regulation of blood pressure.
Correct Answer:
D
— All of the above
Learn More →
Showing 2281 to 2310 of 2979 (100 Pages)