Home
Class 12
BIOLOGY
Read the following statements and choose...

Read the following statements and choose the correct ones
A. Increase in length of a plant organ against time gives sigmoid curves.
B. Incase of microorganisms showing geometric growth, all the daughter cells divide.
C. Environmental factors like light and gravity affects different stages of growth of plants.
D. A tree showing seasonal activities doesn't show a typical S-shaped curve.

A

A,B & C are correct

B

B, C & D are correct

C

A, B & D are correct

D

Only B is correct

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 23

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|14 Videos
  • MOCK TEST 25

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|24 Videos

Similar Questions

Explore conceptually related problems

The growth of a plant or a part when plotted against time shows (a) linear curve (b) sigmoid curve (c) hyperbola (d) bell-shaped curve

Read the oven statements and choose the correct option br A- Like dark reactions, light reactions are also temperature sensitive but are affected to a much lesser extent, br B- C_4 plants respond to lower temperatures and show higher rate of photosynthesis.

Read the following statements and find out the INCORRECT statement. a. Plant growth is unique because plants retain the capacity for unlimited growth throughout their life. b. Growth, at a cellular level , is principally a consequence of the increase in the amount of protoplasm. c. One single maize root apical meristem can give rise to more than 3,50,00 new cells per hour , whereas cells in watermelon may increase in size by up to 17, 500 times. d. Environmental signals such as light , temperature and gravity also affect certain phases or stages of growth. e. In geometric growth, following mitotic cell division , only one daughter cell continues to divide while the other differentiates adn matures.

Read the following statements. A. ABA is derived from violaxanthin and is also known as anti GA hormone. B. Ethylene increases the number of male flowers. C. Extrinsic factors like temperature and light control plant growth and development via PGRs. D. GA, is used to speed up the malting process in brewing industry. Choose the correct option.

Go through the following statements (i) In geometr,ic growth, following mitotic cell division, only one daughter cell con- tinues to divide while the other differen- tiates and mature. (ii) The ability of plants to follow different pathways in response to environment or phases of life to to.rm different kinds of structures, is called plasticity. (iii) The mathematical expression for arith- metic growth is Lt = L_0 + rt while for geo- metric growth, it is W_1=W_0=W_(0)e^(rt) (iv) The form of growth wherein new cells are always being added to the plant body by the activity of the meristem, is called the open form of growth. Which of these are correct .

State true(T) or false(F) to the given statements and select the correct option. ( a ) Annual rings are distinct in plants growing in temperate regions. ( b ) Lenticels occur in most woody trees and permit the exchange of gases. ( c ) Due to stelar secondary growth, central cylinder of wood surrounded by secondary phloem is formed. ( d ) The cells of endodermis opposite to protoxylem divide to give rise vascular cambium in dicot roots.