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Question:- The non-directional movement of a plant part in response to light is called: A. Phototropism B. Thigmotropism C. Geotropism D. Photonasty
Answer:- D
Question:- The shorter fibres on the body of a neuron are called: A. Dendrites B. Axon C. Cytoplasm D. Myelin sheath
Answer:- A
Question:- The longest fibre on the cell body of a neuron is called: A. Myelin B. Nerve endings C. Axon D. Dendrites
Answer:- C
Question:- The axon passes the impulse to another neuron through a junction called: A. Nerve endings B. Synapse C. Cytoplasm D. Nucleus
Answer:- B
Question:- What are those reflex actions called which involve brain? A. Reflex arcs B. Cerebral reflexes C. Spinal reflexes D. None of the above
Answer:- B
Question:- The chemical substances which coordinate the activities of living organisms and also their growth are called: A. Hormones B. Blood C. Sodium D. Cytoplasm
Answer:- A
Question:- When the parent organism splits to form two new organisms, it is called: A. Budding B. Spore formation C. Binary fission D. Multiple fission
Answer:- C
Question:- The process of getting back a full organism from its body part is called: A. Spore formation B. Budding C. Regeneration D. Fragmentation
Answer:- C
Question:- The breaking up of the body of a simple organism into two or more pieces on maturing, each of which subsequently grows to form a complete new organism, is called: A. Fragmentation B. Vegetative propagation C. Binary fission D. Budding
Answer:- A
Question:- When new plants are obtained from the parts of old plants, without the help of any reproductive organs, it is called: A. Vegetative propagation B. Spore formation C. Fragmentation D. Multiple fission
Answer:- A
Question:- When the cut stems of two different plants are joined together in such a way that the two stems join and grow as a single plant, it is called: A. Cutting B. Layering C. Grafting D. None of the above
Answer:- C
Question:- The transfer of pollen grains the anther of a stamen to the stigma of a carpel is called: A. Germination B. Pollination C. Fertilisation D. Tissue culture
Answer:- B
Question:- Those organs which have same basic structure but different functions are called: A. Analogous organs B. Speciation C. Fossils D. Homologous organs
Answer:- C
Question:- Those organs which have different basic structure but have similar appearance and perform similar functions are called: A. Fossils B. Analogous organs C. Homologous organs D. Speciation
Answer:- B