Q.1
Which of the following transports water from the roots of the plant to its leaves?
Q.2
The major constituent of connective tissue is
Q.3
Which type of permanent tissue helps the aquatic plants to float?
Q.4
The xylem in plants are responsible for:
Q.5
The corner of the cells of collenchyma tissue in plant are thickened due to deposition of ________
Q.6
Which plant cells give support to plant body?
Q.7
In plants which one of the following tissues is dead ?
Q.8
________ connects muscle to the bones.
Q.9
In plants, which of the following cells are used to store surplus food?
Q.10
Which tissue makes the plant hard and stiff?
Q.11
Tracheids are conducting cells of which tissue?
Q.12
The main function of the inner bark of a woody plant is to
Q.13
Smooth muscles are likely to be found in
Q.14
The connective tissue that connects a muscle to a bone is
Q.15
Most abundant tissue in the body
Q.16
Which plants have vascular tissues i.e .xylem and phloem vessel?
Q.17
Branch of science which deals with the study of tissue found in the body of organism is
Q.18
In animals like Annelids, Molluscs, organs have associated to form functional systems, each system concerned with a specific physiological function. This pattern is called ________ system level of organization.
Q.19
Xylem helps in transportation of which of the following?
Q.20
Excess of fat in the body is stored in
Q.21
Study of tissue culture is useful for
Q.22
Which one of the following tissues is responsible for increase of girth in the stem of a plant?
Q.23
The water and mineral salts are transported to the various organs by which of the following?
Q.24
Which one of the following is modification of parenchyma?
Q.25
Blood and lymph are types of
Q.26
What is the name of a group of similar cells performing a specific function?
Q.27

Most common disease of poultry in India is

  • fowl pox
  • tick fever
  • ranikhet
  • coryza
Q.28

Radioactivity is a phenomenon of the spontaneous emission of

  • protons (alpha particles)
  • electrons (beta particles)
  • gamma rays (short wave electromagnetic waves)
  • All of the above
Q.29

Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of

  • hormones
  • enzymes
  • proteins
  • vitamins
Q.30

Plants developing in dry conditions are

  • xerophytes
  • mesophytes
  • lithophytes
  • hydrophytes
Q.31

Most abundant tissues of our body are

  • muscular
  • connective
  • epithelial
  • nervous
Q.32

Organic Substances which, in very small amounts, control growth and development called

  • vitamins
  • hormones
  • enzymes
  • None of the above
Q.33

Mutation is

  • a factor responsible for plant growth
  • a change which affects the offspring of F2 generation only
  • a change that is inherited
  • a change which affects the parents
Q.34

Plants growing on sand are called as

  • chasmophytes
  • oxylophytes
  • lithophytes
  • psammophytes
Q.35

Mumps is a disease caused by

  • fungus
  • bacterium
  • virus
  • None of these
Q.36

Our major foods, fibres, spices, fruits and beverage crops are

  • flowering plants
  • gymnosperms plants
  • pteridophytes
  • bryophytes
Q.37

Pollination by wind is called

  • anemophily
  • hydrophily
  • zoophily
  • entomophily
Q.38

Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called

  • flavoxanthin
  • melanin
  • carotene
  • Xanthophyll
Q.39

Rain water helps to increase the ____ to some extent.

  • phosphorous contents
  • nitrogen contents
  • calcium contents
  • potash contents
Q.40

Movements due to light are shown by

  • flowering plants
  • lower plants
  • all land plants
  • all the plants
Q.41

Pollen grains in plants are produced in

  • roots
  • leaves
  • flower
  • stem
Q.42

Ramapithecus and Cro-Magnon man are considered

  • ancestors of modern man
  • ancestors of monkey
  • ancestors of lion
  • None of the above
Q.43

Number of chromosomes in Down's syndrome is

  • 46
  • 47
  • 48
  • 49
Q.44

Outer covering of virus made up of protein is

  • capsid
  • coat
  • virion
  • viriod
Q.45

Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?

  • By cyanobacteria
  • By electrical discharges in the atmosphere
  • By industrially synthesised fertilizer
  • By denitrification
Q.46

Normal adult human male has

  • 10 gram of haemoglobin/100 gram of blood
  • 14 gram of haemoglobin/100 gram of blood
  • 18 gram of haemoglobin/100 gram of blood
  • 24 gram of haemoglobin/100 gram of blood
Q.47

Plants are killed in winter by frost

  • because of desiccation and mechanical damage to the tissues
  • because no photosynthesis takes place at such low temperature
  • because respiration ceases at such low temperature
  • because there is no transpiration
Q.48

Radish is a

  • bulb
  • conn
  • modified root
  • tuber
Q.49

Ptyalin is an enzyme produced in the

  • salivary glands
  • pituitary glands
  • thyroid glands
  • pancreas
Q.50

Plants wilt due to excess of

  • transpiration
  • photosynthesis
  • absorption
  • None of these
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