Chapter 4: Photosynthesis and Respiration
MULTIPLE CHOICE QUESTIONS
1. Put a tick against the most appropriate alternative in the following statements.
(i) Carbohydrates are stored by plants in the form of:
a) Vitamins
b) Proteins
c) Fats
d) Glucose
(ii) Stomata are present on the surface of:
a) Leaves
c) Stem
b) Roots
d) Flower petals
(iii) Which one of the following is an end-product of photosynthesis?
a) Fructose
b) Glucose
c) Cellulose
d) Lactose
SHORT ANSWER QUESTIONS
1. Why do leaves generally look green?
2. Which four of the following are needed for
photosynthesis in leaf?
(i) Carbon dioxide
(ii) Oxygen
(v) Chlorophyll
(vi) Soil
Ans:
(iii) Nitrates
(vii) Light
3. What is the source of energy for photosynthesis?
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(iv) Water
4. Which gas is taken in and which one is given out by the leaf in bright sunlight?
Ans:
5. Suppose we compare the leaf with a factory. Match the items in Column A with those
in Column B
Column A
Column B
(i) Cells in the leaf
(a) raw materials
(ii) Chloroplast
(b) power
(iii) Sunlight
(c ) machinery
(iv) Oxygen and water
(d) end product
(v) Carbon dioxide and water
(e ) by product
(vi) Glucose
(f) work room
6. State whether the following statements are True or False:
(i) Green plants prepare their food by using two raw materials, oxygen and water.
(ii) The chlorophyll enables the plants to use light energy.
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(iii) The free oxygen in the atmospheric air is the result of
photosynthesis
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(iv) Photosynthesis occurs only in chlorophyll containing
parts of the plant.
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7. Differentiate between aerobic and anaerobic respiration Write the overall chemical
equations of the two kinds of respiration in plants.
(i) Aerobic
(ii) Anaerobic
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8. Explain how photosynthesis is different from respiration.
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9. Do the plants respire all day and night or only during the night? Give reasons.
10. What happens to the energy liberated during the respiration?
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LONG ANSWER QUESTIONS
1. In order to carry out photosynthesis, what are the substances that a plant must take
in? Also mention their sources.
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2. What is the role of chlorophyll in photosynthesis?
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3. Do plants need oxygen? If so, what is its source?
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Chapter 3: Classification of Animals
MULTIPLE CHOICE QUESTIONS
1. Tick the appropriate answer:
(i) Identify the aquatic animal with scaly skin which breathes with gills(a) Rohu
(b) Tortoise
(c) Sparrow
(d) Rat
(ii) The unicellular organism causing malaria—
(a) Amoeba
(c) Euglena
(b) Paramecium
(d) Plasmodium
(iii) Identify the animal which is not an Arthropoda—
(a) Prawn
(b) Butterfly
(c) Earthworm
(d) Spider
(iv) Scientist who introduced binomial nomenclature is --(a) Charles Darwin
(b) Carolus Linnaeus
(c) Robert Hooke
(d) Gregor Mendel
SHORT ANSWER QUESTIONS
1. Give two examples of each of the following:
(i) Amphibians –
(ii) Segmented Worms—
(iii) Reptiles—
(iv) Coelenterates—
(v) Arthropods—
(vi) Flatworms--2. Give names of two animals which are found as parasites inside the human intestines.
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3. Name one example each of an animal which shows the following characteristics:
(i) Fixed animals with a pore bearing body
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(ii) Star shaped body
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(iii) Can live in water as well as on land
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(iv) Has a flattened ribbon like body
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4. Write one difference each between the following pairs:
(i) Porifera and Coelenterate
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(ii) Arthropoda and Mollusca
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(iii) Invertebrates and Vertebrates
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(iv) Platyhelminthes and Nematoda
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5. Match the animals given under column A with their respective classification group
given under column B—
Column A
(i) Sponge
(ii) Snail
(iii) Butterfly
(iv) Toad
(v) Lizard
(vi) Starfish
Ans:
Column B
(a) Amphibia
(b) Reptilia
(c) Echinodermata
(d) Mollusca
(e) Arthropoda
(f) Porifera
6. Write the characteristics of class Aves with reference to their body covering and jaws.
Ans: The characteristics of Aves with reference to body covering and jaws are:
a)
b)
c)
d)
e)
7. Categories the animals under their appropriate columns of classification
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Dog, Grasshopper, Rat, Scorpion, Toad, Butterfly, Lizard, Turtle, Frog, Bat, Snail,
Honeybee, Pigeon, Liver fluke, Leech, Cattle, Snake, Rohu, Parrot, Ascaris, Earthworm,
Cow, Rabbit, Monkey, Elephant.
Ans:
CLASSIFICATION;
WORMS:
MOLLUSCA:
FISHES:
AMPHIBIANS:
REPTILES:
BIRDS:
MAMMALS:
8. Give three characteristic features of Amphibians which help to differentiate them
from fishes.
Ans:
The three characteristic features of Amphibians that help to differentiate them from fishes
are:
a)
b)
c)
9. Why fishes are said to have streamlined body? Name their respiratory organs.
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10. Why Arthropods have been given this name? Name the four classes of phylum
Arthropoda giving one example each of the four classes.
Ans: Arthropoda have been given this name because the name
a)
b)
c)
d)
11. Give two characteristic features of birds which enable them to fly. Name any two
birds which cannot fly.
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Ans: The two characteristic features of birds that helps them to fly are:
a)
b)
Two birds which cannot fly are
12. Differentiate between flatworms and roundworms.
Ans: Flatworms:
a)
b)
c) Example:
Roundworms:
a)
b)
c) Example:
13. Animals cannot prepare their own food. What scientific name is given to such
organisms?
Ans:
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UNIT 1: Tissue
Chapter 1: Plant and Animal Tissue
MULTIPLE CHOICE QUESTIONS
(i) A group of similar cells to perform a specific function form:
a) Organ
b) Species
c) Organ system
d) Tissue
•
Because the cells are not only similar but the function that they perform are also same, that is
why they together become a tissue.
(ii) The small fine branches given out from the cell body of a nerve cell are
a) Dendrites
b) Cyton
c) Axon
d) Neurons
•
Because they are the elongated hair like extensions going out from the cell body or the cyton.
(iii) Fluid connective tissue of humans is
a) Blood and cartilage
b) Lymph and plasma
c) Blood and lymph
d) Stroma and matrix
• Blood and lymph
Because it keeps the each and every part connected on the inside as it is mainly concerned
with transportation of substances such as glucose etc.
SHORT ANSWER QUESTIONS
1. Define the following terms:
(i) Tissue:
(ii) Organ:
2. Answer the following:
(i) What is a meristematic tissue? How is it different from permanent tissues?
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(ii) Which living material would you to take to demonstrate meristematic tissue?
Ans:
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(iii) What is the function of the meristematic tissue?
Ans:
3. State whether the following statements are True or False.
(i) A tissue is formed of only one type of cells:
(ii) Only one type of tissue forms an organ:
(iii) Permanent tissue is made up of undifferentiated and dividing cells:
(iv) Meristematic tissue is found at the growing tips of a plant:
(v) Phloem is formed of dead tubular cells:
4. Fill in the blanks by selecting suitable words from the list given below:
Thin-walled, collenchyma, vascular, tissues, conducting
(i) A group of different TISSUES
organ.
working together to perform a function is called an
(ii) Xylem and phloem form the CONDUCTING
tissue.
(iii) Conducting tissue is also called VASCULAR
tissue.
(iv) Cells are elongated and thick at the corners in a COLLENCHYMA
(v) Parenchyma is composed of large THIN WALLED
tissue.
cells.
5. Match the items given in Column A with those given in Column B:
(i) Fibrous connective tissue
(ii) Fluid connective tissue
(iii) Supportive connective tissue
(iv) ligament
(v) tendon
(a) blood
(b) cartilage
(c) connects a bone to another bone
(d) areolar tissue
(e) connects a muscle with a bone
6. How do you rank the following with respect to a cell,
tissue, organ, or organism?
(i) Amoeba:
(ii) Euglena:
(iii) Skin:
(iv) Lungs:
(v) Neuron:
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(vi) Cardiac muscles:
7. Each of the tissue listed in Column A is related to one of the functions given in column B.
Match the correct pairs
Protection, support, transport, messages, movement
Ans:
(i) Epithelial Tissue ---(ii) Connective tissue----(iii) Vascular tissue-----(iv) Nervous tissue-----(v) Muscular tissue-----8. Name the kind of tissue that
(i) Carries oxygen around your body—
(ii) Brings about movement in people--(iii) Transports food to different parts of the plant---(iv) Transports water in plants---(v) Supports an animal’s body----(vi) Binds different tissues together---(vii) Conducts messages from one part of the body to another-----9. Based on the following information, identify the three types of epithelial tissue in the
figures given:
Figure (a): columnar epithelium
Figure (b): cuboidal epithelium
Figure (c): ciliated epithelium
10. Write three differences between the two principal vascular tissues found in plants.
Ans: The two vascular tissues found in the plants are xylem and
phloem. The three differences are:
Phloem:
1.
2.
3
Xylem:
1.
2.
3.
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11. Mention the main characteristic features of meristematic tissues and where do we find
such tissues in plants. Give the
function of meristematic tissues.
Ans: The characteristic features of meristematic tissues are:
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(vii)
(viii)
12. Name the plant tissue which helps in the movement of water and minerals in the body.
What are the various types of cells present in this tissue?
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13. Which plant tissue is responsible for the distribution of food prepared in the leaves?
Name the four component parts of this tissue.
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14. Name the various types of animal tissues and state their functions.
Ans: There are
types of animal tissues:
(i)
Function:
a)
(ii)
Function:
a)
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b)
(iii)
Function:
a)
(iv) Nerve tissue:
Function:
a)
15. Give the structure and function of different types of epithelial tissues.
Ans:
(i) Squamous epithelium:
(ii) Cuboidal epithelium:
(iii) Columnar epithelium:
(iv) Ciliated epithelium:
16. Draw the diagram of neuron and label the following parts in it.
Cyton, axon, node of Ranvier, internode
Myelin Sheath = internode
17. Name the three main kinds of muscular tissues. Give the exact location of each kind in an
animal body.
Ans: The three kinds of muscular tissues are:
(i)
Location:
(ii
Location:
(iii) Cardiac muscles:
Location:
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