Questions · Page 2 of 2

M.C.Q. [1 M]

Question 511 Mark

Parenchyma which contains chlorophyll is called:

  1. Collenchymas
  2. Selerenchyma
  3. Chlorenchyma
  4. None of these
Answer
  1. Chlorenchyma

Explanation:

Parenchyma which contains chlorophyll and takes part in photosynthesis, is called chlorenchyma.

View full question & answer
Question 521 Mark

The cell wall of meristematic cell is made of:

  1. Protein
  2. Amino acid
  3. Peptidoglycan
  4. Cellulose
Answer
  1. Cellulose

Explanation:

The cell wall of meristematic cell is thin and made up of cellulose.

View full question & answer
Question 531 Mark

Grit of pear is formed of:

  1. Sclereids
  2. Sclerenchyma fibres
  3. Tracheids
  4. Companion cells
Answer
  1. Sclereids

Explanation:

The grit of pear is formed of stone cells also known as sclereids.

View full question & answer
Question 541 Mark

Guard cells are present in:

  1. Cork.
  2. Cortex.
  3. Stomata.
  4. Vascular bundle.
Answer
  1. Stomata.

Explanation:

Each stomata is surrounded by a pair of guard cells. Guard cells regulate the opening and closing of stomata.

View full question & answer
Question 551 Mark

Phloem in the plant perform the function of _________.

  1. Conduction of food.
  2. Conduction of water.
  3. Providing support.
  4. Photosynthesis.
Answer
  1. Conduction of food.

Explanation:

Pholem is mainly responsible for the conduction or transport of organic food prepared by the plant.

View full question & answer
Question 561 Mark

Grass stem elongates by the activity of:

  1. Primary meristem.
  2. Secondary meristem.
  3. Intercalary meristem.
  4. Apical meristem.
Answer
  1. Intercalary meristem.

Explanation:

Intercalary meriste is commonly present at the base of the leaves or internodes (on either side of the node). The intercalary meristem increses the internode length, hence the stem elongates.

View full question & answer
Question 571 Mark

Epithelial tissue always has an exposed outer surface and an inner surface anchored to connective tissue by a thin, non-cellular structure called the:

  1. Nonstratified layer.
  2. Stratified membrane.
  3. Basement membrane.
  4. Fibroblast.
Answer
  1. Basement membrane.

Explanation:

Epithelial tissue always has an exposed outer surface and an inner surface anchored to connective tissue by a thin, non-cellular structure called the basement membrane.

View full question & answer
Question 581 Mark

Haversian canals are present in:

  1. Cartilage.
  2. Ligament.
  3. Bone.
  4. Tendon.
Answer
  1. Bone.

Explanation:

Haversian canals are present in bone.

View full question & answer
Question 591 Mark

Largest blood cells are:

  1. Monocytes
  2. Neutrophils
  3. Lymphocytes
  4. Basophils
Answer
  1. Monocytes

Explanation:

Monocytes are largest blood cells. These are white blood cells.

View full question & answer
Question 601 Mark

Martix of cartilage in made of:

  1. Collagen
  2. Chondrin
  3. Ossein
  4. Elastin
Answer
  1. Chondrin

Explanation:

Matrix of cartilage is made up of chondrin.

View full question & answer
Question 611 Mark

Which of the following components of xylem is living:

  1. Tracheids
  2. Vessels
  3. Xylem parenchyma
  4. Xylem sclerenchyma
Answer
  1. Xylem parenchyma

Explanation:

Xylum parenchyma cells are living. The parenchyma stores food and helps in the sideway conduction of water.

View full question & answer
Question 621 Mark

Which of the following components of phloem is absent in monocot stem:

  1. Sieve tubes.
  2. Companion cells.
  3. Bast fibers.
  4. Phloem parenchyma.
Answer
  1. Phloem parenchyma.

Explanation:

The phloem parenchyma stores food material and other substances like resins, latex and mucilage. It is absent in monocot stem.

View full question & answer
Question 631 Mark

The efferent part of neqron is:

  1. Axon.
  2. Dendrite.
  3. Cyton.
  4. Both (a) and (b).
Answer
  1. Axon.

Explanation:

Axon is long, branch process of neuron which carries impulses away from cyton.

View full question & answer
Question 641 Mark

Presence of tissues in a multicellular organisms ensures:

  1. Faster development.
  2. Division of labour.
  3. Higher reproductive potential.
  4. Body strength.
Answer
  1. Division of labour.

Explanation:

In unicellular organisms, a single cell performs all basic functions. For example, in Amoeba. But in multicellular organisms (e.g., human), there are millions of cells. Most of these cells are specialised to carry out a few functions. Each specialised function is taken by a different group of cells or tissue. Thus, multicellular organisms show division of labour.

View full question & answer
Question 651 Mark

Parenchyma is a type of ________.

  1. Complex tissue
  2. Simple tissue
  3. Xylem
  4. Phloem
Answer
  1. Simple tissue

Explanation:

Parenchyma is a type of simple permanent tissue. It is present in soft parts of the plant like cortex, pith, palisade and some parts of the flower.

View full question & answer
Question 661 Mark

Xylem is made of:

  1. Tracheids
  2. Vessels
  3. Both of these
  4. None of these
Answer
  1. Both of these

Explanation:

Xylem consists of tracheids, vessels, xylem parenchyma and xylem fibres.

View full question & answer
Question 671 Mark

Which of the following is not an example of simple tissue in plants?

  1. Parenchyma
  2. Collenchyma
  3. Xylem
  4. Sclerenchyma
Answer
  1. Xylem

Explanation:

Parenchyma, collenchyma and sclerenchyma are types of simple tissue whereas xylem is a type of complex tissue.

View full question & answer
Question 681 Mark

Tendons and ligaments are:

  1. Dense connective tissue.
  2. Loose connective tissue.
  3. Muscular tissue.
  4. Vascular tissue.
Answer
  1. Dense connective tissue.

Explanation:

Tendons and ligaments are dense connective tissue.

View full question & answer
Question 691 Mark

White fibres of connective tissue are made up of:

  1. Elastin.
  2. Reticular fibre.
  3. Collagen.
  4. Myosin.
Answer
  1. Collagen.

Explanation:

White fibres of connective tissue are made up of collagen..

View full question & answer
Question 701 Mark

The term tissue was given by:

  1. Robert Hooke
  2. Mayer
  3. Bichat
  4. Leeuwenhoek
Answer
  1. Bichat

Explanation:

The term tissue was given by Bichat.

View full question & answer
Question 711 Mark

Plasma content of blood is:

  1. 35%
  2. 55%
  3. 65%
  4. 80%
Answer
  1. 55%

Explanation:

Blood consists of plasma (55%) and blood corpuscles (45%).

View full question & answer
Question 721 Mark

Tissue that is absent in monocots is:

  1. Chlorenchyma
  2. Sclerenchyma
  3. Arenchyma
  4. Collenchyma
Answer
  1. Collenchyma

Explanation:

Collenchyma is generally absent in monocot stems and leaves.

View full question & answer
M.C.Q. [1 M] - Page 2 - Science STD 9 Questions - Vidyadip