Name the following:
(i) The organelle that forms the aster during cell division.
(ii) A genetic disorder in which the blood does not clot.
(iii) The permanent stoppage of menstruation in human females around the age of 45 years.
(iv) The openings on the barks of trees through which transpiration occurs.
(v) A gaseous plant hormone which promotes ripening of fruits.
(i) Centriole
(ii) Haemophilia
(iii) Menopause
(iv) Lenticels
(v) Ethylene
More ICSE Easy level questions
State the exact location of the following structures: (a) Thyroid gland (b) Dura mater (c) Amniotic fluid (d) Papillary muscles (e) Islets of Langerhans
Arrange and rewrite the terms in each group in correct order to be in a logical sequence beginning with the term that is underlined: (a) Snake, Rabbit, Cabbage, Hawk. (b) Xylem, Soil water, Cortical cells, Root hair. (c) Receptor, Response, Effector, Spinal Cord. (d) Fovea, Lens, Cornea, Conjunctiva. (e) Testis, Urethra, Sperm duct, Epididymis.
Choose the odd one out from the following terms and name the category to which the others belong: (a) Used bandages, Pesticides, Face masks, Syringes. (b) Dust, Smoke, Carbon monoxide, Effluents (c) Uterus, Urethra, Urinary bladder, Ureter (d) Menstrual phase, Telophase, Follicular phase, Luteal phase (e) Malleus, Incus, Cochlea, Stapes
Expand the abbreviation — DNA.
Differentiate between Karyokinesis and Cytokinesis.
Define the term Transpiration.
The paper used to demonstrate unequal transpiration in a dicot leaf is: (a) Filter paper (b) Litmus paper (c) Starch paper (d) Cobalt chloride paper
Mention any two functions of the human foetal placenta.
The sex chromosome in a human ovum is: (a) X chromosome (b) Y chromosome (c) Both X and Y chromosomes (d) Either X or Y chromosome
During the synthesis phase of the cell cycle, more of: (a) RNA is synthesised (b) RNA and proteins are synthesised (c) DNA is synthesised (d) Glucose is synthesized
Define the term Mutation.
Study the diagram given below and answer the questions that follow: (a) Name the phenomenon depicted by the shoot in the above diagram. (b) Which plant hormone plays an important role in the above movement? (c) Complete and rewrite the given statement by filling in the correct terms: Shoots show positive ............... whereas, roots show positive ............... .
