Growth And Development(Biology ) Questions and Answers

Question 1. Larval epidermis is produced by
  1.    clear cytoplasm
  2.    yellow cytoplasm
  3.    gray vegetal cytoplasm
  4.    brown cytoplasm
Explanation:-
Answer: Option A. -> clear cytoplasm
Answer: (a).clear cytoplasm
Question 2. Stage one in differentiation involves
  1.    recognition of apical meristems
  2.    formation of embryo
  3.    recognition of cambium
  4.    production of leaf primordial
Explanation:-
Answer: Option B. -> formation of embryo
Answer: (b).formation of embryo
Question 3. Rate of growth stops and plants die at a temperature of
  1.    20-30°C
  2.    10-20°C
  3.    35-40°C
  4.    5-10°C
Explanation:-
Answer: Option C. -> 35-40°C
Answer: (c).35-40°C
Question 4. Secondary tissue is added by the
  1.    intercalary meristem
  2.    vascular cambium
  3.    apical meristems
  4.    Both a and b
Explanation:-
Answer: Option D. -> Both a and b
Answer: (d).Both a and b
Question 5. Signs of aging include
  1.    loss of hair pigment
  2.    dryness and wrinkling of skin
  3.    forgetfulness
  4.    all of the Above
Explanation:-
Answer: Option D. -> all of the Above
Answer: (d).all of the Above
Question 6. Third cleavage in bird's egg is
  1.    vertical
  2.    horizontally parallel to the surface
  3.    horizontal and perpendicular to the surface
  4.    side ways
Explanation:-
Answer: Option B. -> horizontally parallel to the surface
Answer: (b).horizontally parallel to the surface
Question 7. Stage of development in which body organs are formed, cells interact and differentiate, is called
  1.    gastrulation
  2.    fertilization
  3.    organogenesis
  4.    growth
Explanation:-
Answer: Option C. -> organogenesis
Answer: (c).organogenesis
Question 8. Vascular and cork cambium are examples of
  1.    lateral meristems
  2.    apical meristems
  3.    intercalary meristems
  4.    collenchyma
Explanation:-
Answer: Option A. -> lateral meristems
Answer: (a).lateral meristems
Question 9. Stage of development in which organs size increase and adult body is attained, is known as
  1.    gamete formation
  2.    gastrulation
  3.    fertilization
  4.    growth
Explanation:-
Answer: Option D. -> growth
Answer: (d).growth
Question 10. During course of development blastoderm shape changes from circular to
  1.    apple shaped
  2.    oval shaped
  3.    pear shaped
  4.    triangular shape
Explanation:-
Answer: Option C. -> pear shaped
Answer: (c).pear shaped
© Lakshya_Education.com, All Right Reserved.
Contact Us services