Home
Class 12
BIOLOGY
Read the statements carefully a. Harti...

Read the statements carefully
a. Hartig net is the network of intracellular mycellium of Boletus
b. Ectomycorrhiza forms ten percent of total mycorrhiza
c. Fungal partner of endomycorrhiza belongs to zygomycetes or phycomycetes

A

Only a & c are correct

B

Only b & c are correct

C

Only c is correct

D

All are correct

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BIOLOGICAL CLASSIFICATION

    AAKASH INSTITUTE|Exercise Assignment (Section - C) (Previous Years Questions)|128 Videos

  • BIOLOGICAL CLASSIFICATION

    AAKASH INSTITUTE|Exercise Assignment (Section-D) Assertion - Reason Type Questions|15 Videos

  • BIOLOGICAL CLASSIFICATION

    AAKASH INSTITUTE|Exercise Assignment (Section - A) Objective Type Questions|50 Videos

  • BIODIVERSITY AND CONSERVATION

    AAKASH INSTITUTE|Exercise SECTION - D (Assertion-Reason Type Questions)|10 Videos

  • BIOMOLECULES

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D) Assertion-Reason Type Questions|10 Videos

Similar Questions

Explore conceptually related problems

Read the following statements carefully and identify correct statements w.r.t. Lichens a. The association cannot tolerate air pollution, especially due to sulphur dioxide b. Lichens are annuals and their growth is slow c. The fungal partner mostly belongs to ascomycetes. d. Soredia are most efficient means of asexual reproduction e. Orchids seldom occur without this association f. Foliose lichens are pioneers of succession in a water body.

Read the following statement carefully. (a). Hooks and sucker are present in parasitic forms b. Some of them absorb nutrients from the host directly through their body surface. (c). Fertilisation is internal and development is through many larval stages. Here we are talking about:

Read each statement below carefully and state with reasons, with it is true or false : (a) The magnitude of vector is always a scalar. ltBrgt (b) Each component of a vector is alwarys a scalar. (c ) The total path length is always equal to the magnitude of the displacement vector of a particle. (d) The average speed of a particle (defined as total path length diveked by the time taken to cover the path ) is eigther greater or equal to the magnitude of average velocity of the particle over the same interval of time. ltbRgt (e ) three vectors not lying in a planc ecan never add up to give a null vector.

Read the following statements carefully and find the incorrect statements: A. More than 1 percent impurities make domestic sewage unfit for human use. B. Less BOD causes mortality of fish and other aquatic creatures. C. Presence of large amounts of nutrients in water also causes excessive growth of planktonic algae, called an algal bloom. D. Algai bloom causes deterioration of the water quality an decreases fish mortality. E. Some bloom-forming algae are extremely toxic to human beings and animals. F. Eichhornia crassipies is the world's most problematic aquatic weed.

Read the following statements carefully - (A) The lipid component of the plasma membrane mainly consists of phosphoglycerides. (B) Polar molecules can pass through the lipid bilayer of the plasma membrane, therefore they do not require carrier proteins to facilitate their transport. (C ) The secondary wall is capable of growth and it is formed on the outer side of the primary wall. (D) Quasifluid nature of lipid enables the lateral movement of proteins within the overall lipid bilayer of the plasma membrane. (E) Middle lamella glues the different neighbouring cells together. How many statements are incorrect?

Read the following graph carefully and answer the questions given below. Number of passed students (boys and girls) from different colleges in a year (in thousands) The total number of passed girls from college E and F together is approximately what percent of total number of passed boys from college B and C together ?

Direction: Read the following table carefully and answer the following questions: The table shows the total number of students and the number of girls in three schools A, B & C in two consecutive years. Find the number of boys in year 1999 is how much percent more than the number of boys in year 2000 together in all the three schools.

Read the following information and five statements given below it carefully and answer the question that follows : Exodus from the rural areas to the urban hubs in search of job opportunities have now declined to nearly twety six percent of what it was at the turn of 21st century. (1) Since the last decade the rural economy has transformed itself in a bankable profit making and commercially viable venture. (2) Job opportunities differ in urban and rural areas. (3) The load on infrastructure and resources in urban areas which had remained unmanageable for a long time has been eased a little since the last decade. This trend of reverse miggration which was seen only in developed countries till now has enetered the scenes of developing nations as well. (5) According to a recent report more than eighty percent of the professionals having roots in rural areas prefer to work in urban cities rather than their home villages. Which of the statements numbered (1) (2) (3) (4) and (5) mentioned above represents a cause of the given information most appropriately ? (a)5 (b) 4 (c] 3 (d) 2 (e) 1

Read the following information and five statements given below it carefully and answer the question that follows : Exodus from the rural areas to the urban hubs in search of job opportunities have now declined to nearly twety six percent of what it was at the turn of 21st century. (1) Since the last decade the rural economy has transformed itself in a bankable profit making and commercially viable venture. (2) Job opportunities differ in urban and rural areas. (3) The load on infrastructure and resources in urban areas which had remained unmanageable for a long time has been eased a little since the last decade. This trend of reverse miggration which was seen only in developed countries till now has enetered the scenes of developing nations as well. (5) According to a recent report more than eighty percent of the professionals having roots in rural areas prefer to work in urban cities rather than their home villages. Which of the statements numbered (1) (2) (3) (4) and (5) mentioned above represents an assumption most appropriately? (a) 1 (b) 2 (c] 3 (d)Both 1 and 3 (e) 4