Biology Semester-1 ICSE Specimen Paper Solved Class-10. Step by step solutions of ICSE Class-10 specimen model sample paper . During solutions of semester-1 Biology specimen paper so that student can achieve their goal in next upcoming exam of council .
Biology Semester-1 ICSE Specimen Paper Solved Class-10
Board | ISC |
Class | 10th (X) |
Subject | Biology |
Topic | Semester-1 ICSE Specimen Paper Solved |
Syllabus | on bifurcated syllabus (after reduction) |
session | 2021-22 |
Question Type | MCQ/ Objective (as prescribe by council) |
Total question |
Total- 8 with all parts |
Max mark |
40 |
Biology Semester-1 ICSE Specimen Paper Solved Class-10
Name the following by choosing the correct option:
(a) A pair of corresponding chromosomes of the same shape and size but one from each parent.
1. Autosomes
2. Sex chromosomes
3. Homologous chromosomes
4. Analogous chromosomes
Solution :
3. Homologous chromosomes
(b) The factor that does not affect the rate of transpiration.
1. Intensity of light
2. Velocity of wind
3. Carbon dioxide
4. Oxygen
Solution :
4. Oxygen
(c) Movement of molecules of a substance from their higher concentration to
lower concentration when they are in direct contact.
1. Diffusion
2. Endosmosis
3. Imbibition
4. Active transport
Solution :
1. Diffusion
(d) The complex molecule consisting of a DNA strand and a core of histones.
1. Centrosome
2. Nucleotide
3. Nucleosome
4. Chromosome
Solution :
3. Nucleosome
(e) The solvent used to dissolve the chlorophyll pigment while testing a leaf for starch.
1. Soda lime
2. Carbolic acid
3. Methylated spirit
4. Water
Solution :
3. Methylated spirit
Question 2
Complete the following statements by choosing the appropriate option for each blank:
(a) During Meiosis _______________ daughter cells are formed.
1. 4
2. 2
3. 8
4. 6
Solution :
1. 4
(b) Wooden doors swell up during the rainy season due to ________.
1. Osmosis
2. Diffusion
3. Imbibition
4. Transpiration
Solution :
3. Imbibition
(c) The semi permeable membrane in a plant cell is the _______.
1. Cell wall
2. Cell membrane
3. Tonoplast
4. None of the above
Solution :
2. Cell membrane
(d) Guttation takes place through_________.
1. Stomata
2. Lenticels
3. Cuticle
4. Hydathodes
Solution :
4. Hydathodes
(e) A plant with variegated leaves is _______.
1. Coleus
2. Lotus
3. Peepal
4. Mango
Solution :
1. Coleus
Question 3
Choose the correct answer from each of the four options given below:
(a) The pressure exerted by the cell contents on the cell wall:
1. Turgor pressure
2. Partial pressure
3. Wall pressure
4. Osmotic pressure
Solution :
1. Turgor pressure
(b) The cell component visible only during cell division:
1. Chromosome
2. Chromoplast
3. Chromatin
4. Centriole
Solution :
1. Chromosome
(c) Marine fish when placed under tap water bursts, because of:
1. Endosmosis
2. Exosmosis
3. Diffusion
4. Plasmolysis
Solution :
2. Exosmosis
(d) The sites of dark reaction of photosynthesis:
1. Grana
2. Fret
3. Stroma
4. Stoma
Solution :
3. Stroma
(e) The alternative forms of the same gene occupying the same position on homologous chromosomes:
1. Chromatids
2. Alleles
3. Autosomes
4. Centromere
Solution :
2. Alleles
Question 4
Explain the following terms:
(a) Osmosis
1. Movement of water from their lower concentration to their higher concentration through a semi permeable membrane.
2. Movement of solutes from their lower concentration to their higher concentration through a semi permeable membrane.
3. Movement of water from their higher concentration to their lower concentration through a semi permeable membrane.
4. Movement of water from their higher concentration to their lower concentration through a freely permeable membrane.
Solution :
3. Movement of water from their higher concentration to their lower concentration through a semi permeable membrane.
(b) Photolysis
1. Splitting of water molecules into hydrogen ions and oxygen in the presence of light in grana.
2. Splitting of water molecules into hydrogen ions and oxygen in the presence of light in the stroma.
3. Splitting of water molecules into hydrogen ions and oxygen in the absence of light in grana.
4. Splitting of water molecules into hydrogen ions and oxygen in the absent of light in stoma.
Solution :
1. Splitting of water molecules into hydrogen ions and oxygen in the presence of light in grana.
(c) Law of segregation
1. The two members of a pair of factors join during the formation of gametes.
2. The two members of a pair of factors separate during the formation of gametes.
3. The two chromosomes of a pair of factors separate during the formation of gametes.
4. The two members of a pair of factors separate during the process of germination.
Solution :
2. The two members of a pair of factors separate during the formation of gametes.
(d) Guttation
1. The loss of water in the form of water droplets from the surface of the leaf.
2. The loss of water in the form of water droplets through the stomata.
3. The loss of water in the form of water vapour along the leaf margin.
4. The loos of water in the form of water droplets along the leaf margin.
Solution :
4. The loos of water in the form of water droplets along the leaf margin.
(e) Active transport
1. Passage of water from its lower to higher concentration through a cell membrane without any expenditure of energy.
2. Passage of ions from its lower to higher concentration through a cell membrane without any expenditure of energy.
3. Passage of water from its lower to higher concentration through a cell membrane using energy from the cell.
4. Passage of ions from its lower to higher concentration through a cell membrane using energy from the cell
Solution :
4. Passage of ions from its lower to higher concentration through a cell membrane using energy from the cell
Question 5
State the exact location of the following:
(a) Spindle fibres
1. Between the two centrioles
2. Between the two centrosomes
3. Between chromatid and centromere
4. Between two centromeres
Solution :
1. Between the two centrioles
(b) Root hair
1. Extension of the cortex
2. Extension of epithelium
3. Extension of epidermis
4. Extension of endodermis
Solution :
3. Extension of epidermis
(c) Stomata
1. More the upper surface of dorsi ventral leaves
2. More on the lower surface of the dorsi ventral leaves
3. Both upper and lower surface of the dorsi ventral leaves
4. None of the above.
Solution :
2. More on the lower surface of the dorsi ventral leaves
(d) Thylakoids
1. In the inner membrane of the chloroplast
2. Wall of the chloroplast
3. In the chlorophyll
4. In the stroma of the chloroplast
Solution :
2. More on the lower surface of the dorsi ventral leaves
(e) Palisade parenchyma
1. Between the upper and lower epidermis of dicot leaves.
2. Between the upper epidermis and spongy parenchyma of dicot leaves.
3. Between the lower epidermis and spongy parenchyma of dicot leaves.
4. Between the upper and lower epidermis of monocot leaves.
Solution :
2. Between the upper epidermis and spongy parenchyma of dicot leaves.
Question 6
State the function of the following:
(a) Stroma
1. Site of photolysis of photosynthesis
2. Site of photochemical phase of photosynthesis
3. Site of light dependent phase of photosynthesis
4. Site of light independent phase of photosynthesis
Solution :
4. Site of light independent phase of photosynthesis
(b) Guard cells
1. Regulate the closing of stomata
2. Regulate the opening and closing of stomata
3. Regulate the opening of stomata
4. Regulate the process of photosynthesis
Solution :
2. Regulate the opening and closing of stomata
(c) Xylem
1. Translocation of food from the leaves to the other parts of the plant.
2. Conduction of food.
3. Conduction of water and food.
4. Conduction of water and minerals from the root to the other parts of the plant.
Solution :
4. Conduction of water and minerals from the root to the other parts of the plant.
(d) Chromosomes
1. The carriers of heredity
2. The controlling centre of the cell
3. The site for various chemical reactions
4. Intracellular digestion.
Solution :
1. The carriers of heredity
(e) Hydathode
1. Helps in transpiration
2. Helps in guttation
3. Helps in imbibition
4. Helps in transportation of water
Solution :
2. Helps in guttation
Question 7
Given below is a diagram representing a stage during mitotic cell division. Answer the questions that follow:
(a) Identify the stage
1. Telophase
2. Prophase
3. Metaphase
4. Anaphase
Solution :
2. Prophase
(b) Label part marked ‘X’
1. Centriole
2. Centrosome
3. Centromere
4. Chromatid
Solution :
3. Centromere
(c) Name the stage that follows the one shown here
1. Interphase
2. Anaphase
3. Telophase
4. Metaphase
Solution :
4. Metaphase
(d) What is the diploid number of chromosomes shown in the diagram?
1. 6
2. 2
3. 4
4. 8
Solution :
3. 4
(e) Mention one important feature of this stage
1. Nucleolus reappears
2. Nuclear membrane reappears
3. Nuclear membrane disappears
4. Chromosomes align on the equator
Solution :
3. Nuclear membrane disappears
Question 8
(a) Identify the cell organelle
1. Mitochondria
2. Lysosome
3. Ribosome
4. Chloroplast
Solution :
1. Mitochondria
(b) Label the parts marked A, B & C
A. 1. Granum 2. Stroma 3. Fret 4. Thylakoid
B. 1. Granum 2. Stroma 3. Fret 4. Thylakoid
C. 1. Granum 2. Stroma 3. Fret 4. Thylakoid
Solution :
A .Option-1. stroma ,
B. Option-2 Granum and
C. Option-3 Thylakoid.
(c) The unit of light absorbed by chlorophyll is_____
1. Proton
2. Photon
3. Electron
4. Neutron
Solution :
2. Photon
Return to Specimen paper semester-1 2022
thanks
Biology Semester-1 ICSE Specimen Paper Solved Class-10
This was really helpful but in Q5, d the answer is wrong , other than that it was correct, thanks a lot:)
thanks for comments
we will look into matter if any error
Sir its humble request to you please release physical education solution with in wednesday please
Specimen physical education question paper icse 10 semester 1 solution
It is release release search on google chrome with above keyword
today will be release
Some answers are wrong
we will look into matter
Some of the ans r wrong plz look out
ok
Many people have complained that the answers are wrong so why you didn’t change it. Also where is the answer of Q – 8 (b)?
Change the answers NOW!
please suggest the question number if mistake
very much thanks to put a glance on solutions
please check any other specimen paper if error
we will be grateful for your kind work
my mob 8948221203
do not hesitate to contact us
Q2 b ans is wrong. it will be imbibition and not diffusion
please focus on sem-2
The answer for Q.8(a) is wrong. Please do check and correct it.
ok