मराठी

The Factors Responsible for the Rapid Spreading of Bread Mould on Slices of Bread Are : (I) Presence of Large Number of Spores in Air (Ii) Presence of Large Number of Thread-like Branched Hyphae (Iii) Presence of Moisture and Nutrients (Iv) Formation of Round Shaped Sporangia (A) (I) and (Iii) (B) (Ii) and (Iv) (C) (I) and (Ii) (D) (Iii) and (Iv) - Science

Advertisements
Advertisements

प्रश्न

The factors responsible for the rapid spreading of bread mould on slices of bread are :
(i) presence of large number of spores in air
(ii) presence of large number of thread-like branched hyphae
(iii) presence of moisture and nutrients
(iv) formation of round shaped sporangia

(a) (i) and (iii)
(b) (ii) and (iv)
(c) (i) and (ii)
(d) (iii) and (iv)

उत्तर

(a) (i) and (iii)
The factors responsible for the rapid spreading of bread mould on slices of bread are the presence of a large number spores in air and the presence of moisture and nutrients in bread that act as food for the fungi.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: How do Organisms Reproduce? - Exercise 1 [पृष्ठ १४४]

APPEARS IN

लखमीर सिंह Biology (Science) [English] Class 10
पाठ 3 How do Organisms Reproduce?
Exercise 1 | Q 53 | पृष्ठ १४४

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

For binary fission, Amoeba required .................... parent cells.
(a) Three
(b) Two
(c) One
(d) Zero


Students were asked to observe the permanent slides showing different stages of budding in yeast under high power of a microscope.

(A) Which adjustment screw (coarse/fine) were you asked to move to focus the slides?

(B) Draw three diagrams in correct sequence showing budding in yeast.


Name the type of asexual reproduction in which two individuals are formed from a single parent and the parental identity is lost. Draw the initial and the final stages of this type of reproduction. State the event with which this reproduction starts.


List two advantages of vegetative propagation.


Name two plants which are propagated by layering method.


In Spirogyraasexual reproduction takes place by :
(a) division of a cell into two cells
(b) breaking up of filaments into smaller bits
(c) division of a cell into many cells
(d) formation of a large number of buds


Write a short note on Micro propagation.


Mention the common method of reproduction in Jasmine.


A blue colour flower plant denoted by BB is crossbred with that of white colour flower plant denoted by bb.

(a) State the colour of flower you would expect in their F1 generation plants.

(b) What must be the percentage of white flower plants in F2 generation if flowers of F1 plants are self-pollinated?

(c) State the expected ratio of the genotypes BB and Bb in the F2 progeny.


Vegetative reproduction of Agave occurs through ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×