ICSE X/ICSE X Biology MCQ Question Answer Sample Test,Sample questions

Question:
 The inner side of guard cells is

1.Rough

2.Straight

3.Concave

4.Convex


Question:
 The opening and closing of the stomatal pores depends upon:

1.oxygen

2.water in guard cells

3.temperature

4.concentration of CO, in stomata


Question:
 The process of splitting of water by sunlight during light reaction of photosynthesis is called _______________ 

1.phosphorylation

2.photolysis

3.dark phase

4.transpiration


Question:
 Which of the following is in Metaphase?

1.Cell A

2.Cell B

3.Cell C

4.Cell E


Question:
A layer of irregular chlorophyl1-bearing cells interspersed with air spaces that fills the interior part of
a leaf above lower epidermis

1.Palisade parenchyma

2.Spongy parenchyma

3.Mesophyll cells

4.Chloroplast


Question:
A new membrane is forming in B. What is this phase called?

1.Metaphase

2.Prophase

3.Telophase

4.Anaphase


Question:
A plant showing guttation

1.Grass

2.Wheat

3.Banana

4.All of these


Question:
After the starch test on a variegated plant leaf, we observe the parts of leaf which remains uncovered
will turn to blue-black colour indicating:

1.Presence of chlorophyll

2.Presence of starch

3.Absence of starch

4.Absence of chlorophyll


Question:
Cell cycle

1.A series of chemical reactions where Co, is removed from the air and used by living organisms.

2.A series of events taking8 place for DNA duplication during cell division to produce two daughter cells

3.Process that plants and algae use to turn carbon dioxide from the air into sugar, the food autotrophs need to grow

4.Sequence of reactions in which oxidation of acetic acid or acetyl equivalent provides energy for storage in phosphate bonds in the living organism


Question:
Chloroplast guard cells, stoma, nucleus, lenticels

1.Chloroplast

2.stoma

3.Nucleus

4.Lenticels


Question:
Choose the appropriate labeling from the following options:

1.1-Stomata, II- Chloroplast, IIl Nucleus, IV-Guard cells

2.1-Guard Cells, II-Chloroplast, III Stomata, IV Nucleus

3.1-Guard Cells, I1-Nucleus, I Stomata IV Chloroplast

4.1-Stomata, I1-Nucleus, 1- Guard Cells, IV Chloroplast


Question:
Coelus, Croton, Mango, Geranium, Papaya

1.Coelus and Croton

2.Mango and papaya

3.Croton and mango

4. Geranium and papaya


Question:
During the day, the plants keep their:

1.Stomata opens

2.Stomata closed

3.Phloem blocked

4.Xylem blocked


Question:
During which phase do chrom0sOmes first become visible?

1.Anaphase

2.Metaphase

3.Prophase

4.Telophase


Question:
Endodermis

1.Regulates the formation of lateral roots by rapidly dividing near the xylem elements of the root

2.Regulate the movement of water, ions and hormones into and out of the vascular system

3.Permeability barrier in plants to prevent the evaporation of the water from the outer epidermal surface

4.To carry out photosynthetic carbon assimilation which facilitates plant growth


Question:
Genetics

1.Study of heredity in living beings

2.Study of variation in living beings

3.Study of both heredity and variation

4.None of these


Question:
Guanine, thymine, adenine, cytosine, pepsin

1.Guanine

2.Cytosine

3.Pepsin

4.Adenine


Question:
Guttation

1.Absorption of water by general surface like woods

2.Secretion of droplets of water from the pores of plants

3.Exhalation of water vapour through the stomata

4.Exchange of gases in the leaves


Question:
In cell A, what is the structure labeled X?

1.Centrosome

2.Centriole

3.Chromatid

4.Aster


Question:
Manometer

1.Equipment to measure atmospheric pressure

2.Equipment to measure rate of transpiration

3.Equipment to measure root pressure

4.Equipment to measure turgor pressure


Question:
Palisade Parenchyma

1.Absorb light required for photosynthesis

2.Supply of carbon dioxide and the removal of oxygen

3.Opening and closing the pores in the leaves

4.Conversion of glucose into starch


Question:
Pericycle, endodermis, xylem, cortex, chromatin

1.Cortex

2.Pericycle

3.Chromatin

4.Xylem


Question:
Phase in which the cleavage furrow start forming

1.Anaphase

2.Metaphase

3.Prophase

4.Telophase


Question:
Phloem

1.Transport water from roots to shoots and leaves

2.Permeability barrier to prevent the evaporation of water from the outer epidermal surface

3.Transportation of food and nutrients such as sugar from leaves to other parts of plant

4.Absorb light and carbon dioxide to produce glucose


Question:
Photosynthesis

1.Conversion of light energy into chemical energy

2.Oxidation of carbon to carbon dioxide

3. Absorption of light energy by chlorophylI

4.All of these


Question:
Sequence the six diagrams in order from first to last stages of cell division

1.F-C-E-B-D

2.F-C-E-B-D

3.B- D -C-E- A

4.D-A-F-C-E-B


Question:
Stomata open and close due to

1.Turgor pressure of guard cells

2.Root pressure

3.Osmotic pressure

4. Imbibitional pressure


Question:
Synthesis phase in the cell cycle is called so, because of the synthesis of more

1.RNA

2.RNA and proteins

3.DNA

4.glucose


Question:
Synthesis phase, G phase, Metaphase, G2 phase

1.G2 phase

2.Metaphase

3.G1 phase

4.Synthesis phase


Question:
The state of cell in which cell content is shrunken and is no more tight is_______.

1.Capillarity

2.Flaccidity

3.Turgidity

4.Tonocity


Question:
The tissue responsible for upward conduction of water in the plants

1.Phloem

2.Xylem

3.Root hair

4.Epidermis


Question:
The type of gene, which in the presence of a contrasting allele is not expressed

1.Dominant allele

2.Recessive allele

3.Homozygous

4.Heterozygous


Question:
Transpiration is the evaporative loss of water from __________________.

1.Roots

2.Leaves

3.Stem

4.Both 2 and 3


Question:
Turgor pressure

1.Transverse osmotic pressure within the cells of a root system

2.The pressure exerted on the contents of a plant cell by the cell wall

3.Pressure exerted by fluid in a cell that presses the cell membrane against the cell wall

4.Pressure exerted by molecules with the tendency to diffuse from he region of their higher concentration to the region of their lower concentration


Question:
Unit of inheritance containing the information required to express a trait

1.DNA

2.Chromosome

3.Genes

4.Histones


Question:
What do you mean by law of dominance ?

1.When offspring shows the characters of generation.

2.When offspring of cross breed parent only show dominant charters F1 in generation

3.When offspring of cross breed parent only show dominant charters F2 in generation

4.In F2 generation both the character which is governed by gene are separated


Question:
When red blood cells are placed in ______________ the water travels into the cells via osmosis, ______________ causing the cells to

1.hypotonic solution, swelI

2.hypertonic solution, swell

3.Isotonic solution, shrink

4.hypotonic solution, shrink


Question:
Which of the cells show early prophase and late prophase of mitosis?

1.Cell A and Cell D

2.Cell A and Cell F

3.Cell D and Cell E

4.CellD and Cell F


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