Class 9 - Pearson - Biology

1.

The process of taking up the permanent shape, size and function by tissues is known as _____________.

2.

Girth or width of the stem or root increases due to ______________.

3.

Large pores present on the bark which help in aeration of plants are ______________.

4.

Epidermis Of plant body is made up of _____________ tissue.

5.

The tissue that helps in the transportation of substances through semi-permeable membrane is ________________.

6.

The leaf bases of onion contain _____________ tissues.

7.

Phloem is a complex tissue for ______________ of organic substances.

8.

The nucleus of the companion cells controls the functional activities of ______________.

9.

The origin of cork cambium is from ____________.

10.

Sclereids are also known as _____________.

11.

In plants ______________ is a dead mechanical tissue.

12.

Single-layered cells present in the outer layer as surface tissue in plants is _______________.

13.

Minute present on undersurface of leaves are known as ______________.

14.

______________ tissue is present in aquatic plants that gives ____________ and helps them to float in water.

15.

The tissue that provides strength and rigidity to the plant is _______________.

16.

The epithelial tissue present in the intestine that increases surface area is __________________.

17.

Alveoli of lungs are lined by ____________.

18.

The tissue that fixes the skin with the muscle is ________________.

19.

Type of cartilage present in epiglottis is _______________.

20.

The presence of _____________ discs is the characteristic feature of cardiac muscle.

21.

The muscles showing slow and prolonged contractions are ______________.

22.

_______________ are the sites Of functional contact between neurons.

23.

Epithelial tissue made up of many layers is _________________.

24.

_____________ tissue is found around blood vessels.

25.

_____________ are elongated cells present in muscular tissues.

26.

The muscles which are immune to fatigue are _____________.

27.

______________ is the special property of muscular tissue.

28.

Neyron has branched process called ___________ and single long process called ____________.

29.

Identify the growth that occurs by the activity of intercalary meristems.
1. Growth in width
2. Growth in girth
3. Linear growth
4. All of these

30.

All the cells of the young embryo are:
1. cork cells
2. collenchymatous
3. meristematic
4. sclerenchymatous

31.

Identify the tissue in which the material of the matrix is not developed from the cells in the same tissue.
1. Lymph
2. Bone
3. Blood
4. Ligament

32.

Identify the epithelial tissue found in the respiratory tract.
1. Cuboidal
2. Ciliated columnar
3. Squamous
4. Glandular

33.

Identify the tissue that fills space inside the organs and supports internal organs.
1. Adipose tissue
2. Muscular tissue
3. Areolar tissue
4. Blood

34.

Identify the tissue which is strong and non-flexible.
1. Cartilage
2. Tendon
3. Bone
4. Muscle

35.

The tissue that attaches the eyeballs to the bones is ___________.
1. cartilage
2. tendons
3. ligaments
4. nerves

36.

A person met with an accident in which two long bones of hand were dislocated. Which among the following might have got damaged?
1. Tendons
2. Skeletal muscles
3. Ligaments
4. Areolar tissue

37.

The space between the muscle cell and nerve terminal is called _____________.
1. tendon junction
2. cartilage junction
3. neuromuscular junction
4. ligament junction

38.

White fibrous connective tissue which can withstand stretch from several directions is found in _______________.
1. tendons
2. trachea
3. valves of the heart
4. nasal septum

39.

Identify the white blood cells which increase during allergy.
1. Monocytes
2. Platelets
3. Neutrophils
4. Eosinophils

40.

The tissues present in tendons are ___________.
1. striated voluntary muscle
2. smooth and striated muscle
3. cardiac and smooth muscle
4. smooth and involuntary muscle

41.

Skeletal muscles show which of the following characteristics.
(a) richly vascular
(b) striped
(c) voluntary
(d) spindle-shaped
1. (a), (c)
2. (b), (c)
3. (a), (d)
4. (a), (b) and (c)

42.

Glial cells in nervous tissue help in
(a) support
(b) conducting impulses
(c) nourishment
(d) multiplication
1. (a), (b)
2. (b), (c)
3. (a), (c)
4. (b), (d)

43.

Identify the functions of blood from the following.
(a) Transportation of nutrients
(b) Regulation of body temperature
(c) Exchange of gases
(d) Protection against infections
1. (a), (d)
2. (b), (c)
3. (c), (d)
4. (a), (b), (c), (d)

44.

What type of tissue is present in the blubber of whales?
1. Areolar tissue
2. Cartilage tissue
3. Epithelial tissue
4. Adipose tissue

45.

Identify the correct combination from the following table:-

	Type of cartilage	Nature of matrix	Location
(i)	Fibrous cartilage	Contain more collagen fibers	Intervertebral disc
(ii)	Hyaline cartilage	Contain elastic fibers	Tip of nose
(iii)	Elastic cartilage	Contain both collagen and elastin fiber	Epiglottis
(iv)	Calcified cartilage	Contain megakaryocytes	Pinna of the ear

1. (i) and (iii)
2. (ii) and (iv)
3. (iii) and (iv)
4. (i) and (iv)

46.

Name the tissue associated with the following plant products or parts,
1. Jute
2. Rosewood
3. Hard shells of fruits
4. Cork

47.

What is the utility of tissues in multicellular organisms?

48.

Give differences between meristematic tissue and permanent tissue.

49.

Explain the cells responsible for the conduction of food to various parts of the plant.

50.

Write a note on the tissue system which forms the main bulk of the plant body?

51.

What change do you notice in-plant if the stem tip is cut?

52.

Identify the figure given below and mention how these parts are useful to the plants.

53.

Plants require less amount of energy. Give reason.

54.

Give the role of collenchyma and sclerenchyma in providing support to the plant.

55.

Give the organizational hierarchy in animals.

56.

What is bone marrow? Give it functions.

57.

Write a short note on
(a) tendons
(b) ligaments

58.

Name the tissue corresponding to the following features.
(a) helps in the translocation of food in plants.
(b) aids in transportation Of hormones

59.

Observe the following figure and answer the questions.

(a) Identify and label the parts A, B, and C.
(b) Give the functions Of A.
(c) Write a note on the functions of B.

60.

What happens to the bone material if the bones are heated at high temperatures?

61.

A bone is crushed to a fine powder and put in concentrated hydrochloric acid. How does this affect the composition of bone?

62.

Mention any four parts in the human body which are made up of cartilage.

63.

Differentiate between simple tissue and complex tissue in animals. Write a note on the types of epithelial tissue and mention their location and function.

64.

What is the role of areolar and adipose tissues in human beings?

65.

Mention differences between Cartilage and bone.

66.

How do cardiac muscles differ from striated muscles in structure and function?

67.

Few cells of plant tissue are known as collocates. Give their characteristic features.

68.

What happens when the tree gets injured? Name the structures responsible for that.

69.

Why the thickness of the stem increase as age advances in dicot plants?

70.

Why heartwood is considered more durable than the sapwood?

71.

Sieve tubes do not have nuclei, why are they considered as living cells?

72.

The cuticle is absent on the epidermis of roots. Give reason.

73.

Vascular tissue is responsible for survival of plants in terrestrial conditions.

74.

Epidermal cells secrete a thick and waxy layer in cactus. Why?

75.

Comment on the following statement:
One of the characteristic features of a plant cell is the presence of vacuoles, But vacuoles are absent in meristematic cells.

76.

Why are the surfaces of woody plants impermeable to water and gases?

77.

Young stems (twigs) bend but do not break. Why?

78.

Why are intervertebral discs considered to be the strongest form of cartilages?

79.

Mention the type of adipose tissue found in infants. How does it differ from the adipose tissue of adults?

80.

Why is spleen known as haemopoietic and haemolytic tissue?

81.

Why do wrinkles appear on the skin with growing age?

82.

Can a person survive if blood is completely drained out from the body? Discuss.

83.

In old people knees make a bit crunching sound when they change their posture from sitting position to standing position. Why does this happen?

84.

Why does our skin shiver during winter?

85.

There are 270 bones in the human body at the time of birth. Does this remain safe in the adult stage? Justify that.

86.

Why do we sweat when we do physical exercise?

87.

Clusters of egg cells are not considered as tissue. Give reason.

88.

Epithelial tissue in animals is non-vascular but permeable. Give reason.

89.

Thin people feel colder than fat ones. Give reason.

90.

Blood is known as fluid connective tissue. Give reason.

91.

Cardiac Muscles show rhythmic contractions. Why?

92.

Mitochondria are abundant neurons. Give reason.

93.

Bones becotne more and more fragile in old age. Justity.

94.

Camels can remain alive without food for many days. Give reason.

95.

When we fall sick for a long period of time, we become thin. Give reason.

96.

When we do strenuous and unusual physical activity, we are likely to get inflammation in some body parts. Comment.

97.

The bones are harder and stronger than cartilage. Give reason.

98.

The body of a baby is soft and becomes harder as the baby grows. Justify.

99.

Plants have a larger proportion of dead tissue than animals. Justify this statement,

100.

Why does your ankle swell up when it is sprained?

101.

Assertion (A): Lateral meristems help in the secondary growth of the plant body.
Reason (R): Lateral meristems divide mostly anti-clinically and increase the thickness of plant organs.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

102.

Assertion (A): Parenchyma is responsible for wound healing regeneration and grafting in plants.
Reason (R): Parenchyma can become a meristem by differentiation and produce new cells.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

103.

Assertion (A): Aerenchyma is the chief anatomical adaptation of hydrophytes.
Reason (R): Aerenchyma helps the plant in the exchange Of gases and gives buoyancy.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

104.

Assertion (A): Young stems and petioles of dicots bend but do not break.
Reason (R): Parenchymatous tissue containing chlorophyll and undergo photosynthesis is chlorenchyma.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

105.

Assertion (A): Young stems and petioles of dicots bend but do not break.
Reason (R): Sclerenchymatous tissue gives mechanical strength and rigidity to the plant.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

106.

Assertion (A): Guttation occurs throughout the day in plants.
Reason (R): Stomata have guard cells that open and close and help in transpiration.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

107.

Assertion (A): Complex tissues are made up of more than one type Of cells.
Reason (R): Vascular tissues in plants are a type of complex tissues.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

108.

Assertion (A): Outgrowths of parenchymatous cells on xylem vessels are known as tyloses.
Reason (R): Tyloses are selectively permeable to water and nutrients.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

109.

Assertion (A): Tyloses are considered as vascular plugs of plants.
Reason (R): They block the lumen Of Old and injured vessels.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

110.

Assertion (A): Sieve tubes are made up of sieve plates that help in conduction.
Reason (R): Phloem parenchyma gives mechanical support.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

111.

Assertion (A): Lymph acts as a middle man between blood and tissue fluid.
Reason (R): Lymph is a colorless fluid.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

112.

Assertion (A): Areolar tissue supports internal Organs and helps in tissue repair.
Reason (R): Areolar tissue is the most widely distributed tissue in the body Of adults.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

113.

Assertion (A): External ear lobe shows a high degree Of flexibility.
Reason (R): Ear is made up Of fibrous cartilage,
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

114.

Assertion (A): Hyaline cartilage is the weakest of all types of cartilages.
Reason (R): Very thin collagen fibres are present in the matrix of hyaline cartilage.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

115.

Assertion (A): Skeletal muscles show rhythmic contractions and relaxations.
Reason (R): Cardiac muscles are skeletal muscles which are voluntary in function.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

116.

Assertion (A): The main body of a neuron is called dendron.
Reason (R): cell body of a neuron does not contain nucleus,
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

117.

Assertion (A): Epithelial tissue lining the urinary bladder is transitional epithelium.
Reason (R): Transitional epithelium helps in changing the size of the bladder accordingly.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

118.

Assertion (A): Blood is known as fluid connective tissue,
Reason (R): Blood cells are formed in marrow.
Choose the correct option.
1. Both A and R are true and R is the correct explanation for A.
2. Both A and R are true, but R is not the correct explanation for A.
3. A is true and R is false.
4. A is false and R is true.

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