ICSE Class X Biology Sample Paper (10). Sample papers and question papers for ICSE and ISC students. These question papers have been collected by the best teachers from ICSE and ISC schools. Students should download and practice these papers to gain better marks in examinations.
SECTION I
Question 1
(a). Name the following:-
i. A membrane that disappears during late prophase.
ii. A fluid that occupies the larger cavity of the eyeball behind the lens.
iii. The ground substance present in a chloroplast'.
iv. A specific part of a chromosome that determines hereditary characteristics.
v. A neurotransmitter stored at the terminal end of the axon.
Question 1
(b). The following paragraph is related to absorption of water from the soil. Copy and complete the following paragraph by selecting the correct wordfrom those given in the box. You may use the term only once.
Exosmosis,Hypertonic, Osmosis, Isotonic, Hypotonic, Cortical, ndosmosis .
Water enters the root hair from the soil by the process of _______ .
This is because the solution in the soil is _______ whereas the cell sap in the root hair cell is _______.
The water then passes through the _______ cells by cell tocell _______ and reaches the xylem of the root.
Question 1
(c) Given below are sets of 5 terms each. Without changing the first term, rearrange the remaining four, so as to be in logical sequence as per the directions given in brackets for each. One has been done for you as an example.
Example: Pathogen, active immunity, produces antibodies, lymphocytes, antigen. (defence mechanism of the body) Answer: Pathogen - antigen - lymphocytes -produces antibodies -active immunity.
i. Destarched plant, iodine added, washed in water, a leaf boiled in alcohol, placed in sunlight. (testing for presence of starch)
ii. Interphase, Anaphase, Prophase, Telophase, Metaphase (sequential stages in Karyokinesis)
iii. Seminiferous tubule, penis, urethra, epididymus, vas deferens (course of passage of sperms in man)
iv. Pinna, cochlea, tympanum, ear ossicles, auditory canal (route through which vibrations of sound enter the ear) Downloaded from www.studiestoday.com
v. Soil water, xylem, cortex, endodermis, root hair (conduction of water)
Question 1
(d). State whether the following statements are 'True' or 'False'. If 'False' rewrite the correct form of the statement by only changing the last word of the statement.
i. The alpha cells of the pancreas secrete insulin.
ii. Duplicated chromosomes remain attached at a point termed centrosome.
iii. The number of pairs of autosomes in man is 22.
iv. Penicillin obtained from a fungus is an example of an antibody.
v. Plants that manufacture their own food are termed heterotrophs.
Question 1
(e) Given below is an example of a particular structure and its special functional activity. e.g., Glomerules and ultra filtration. On a similar pattern complete the following:[
i. Corpus luteum and _______.
ii. Iris of the eye and _______.
iii. Seminal vesicle and _______.
iv. Phloem and _______.
v. Eustachian tube and _______.
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