Home
Class 12
BIOLOGY
study the four statements (A-D) given be...

study the four statements (A-D) given below and select the two correct ones out of them
(A) Definition of biological species was given by Ernst Mayr
(B) photoperiod does not affect reproduction in plants
© Binomial nomenclature system was given by R.H Whittaker
(D) In unicellular organisms, reproduction is synonymous with growth
The two correct statments are

A

B and C

B

C and D

C

A and D

D

A and B

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THE LIVING WORLD

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - D|10 Videos
  • THE LIVING WORLD

    AAKASH INSTITUTE ENGLISH|Exercise TRY YOURSELF|44 Videos
  • THE LIVING WORLD

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - B|35 Videos
  • Test-12

    AAKASH INSTITUTE ENGLISH|Exercise Exercise|60 Videos
  • TRANSPORT IN PLANTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section D) Assertion-Reason Type Questions|10 Videos

Similar Questions

Explore conceptually related problems

study the four statements (A-D) given below and select the two correct ones out of them (A) Definition of biological soecies was given by Ernst mayr (B) photoperiod does not affect reproduction in plants © Binomial nomenclature system was given by Ernst Whittaker (D) In unicellular organisms, reproduction is synonymous with growth The two correct statments are

Study the four statement (i-iv) given below and select the two correct ones out of them (i) A lion eating a deer and a sparrow feeding or grains are ecologically similar in being consumers. (ii) Predator star fish Pisaster helps in maintaining species diversity of some invertebrates (iii) Predators ultimately lead to the extinction of prey species (iv) Production of chemicals such as nicotine, strychnine by the plants are metabolic disorders The two correct statements are

Study the five statement (A-D) given below and select the correct statements :- (A) The cyanobacteria are unicellualr, colonial or filamentous algae. (B) Euglenoids are photosynthetic in the presence of sunlight when deprived of sunlight they behave like heterotrophs (C) In phycomycetes mycelium is aseptate and coenocytic (D) Bryophytes are plants which can live in soil but are dependent on water for sexual reproduction.

Study the statements (a-d) given below & select the correct option w.r.t transport in plants. (a) Transpiration pull model is the most acceptable to explain the transport of water. (b) The translocation in phloem is not explained by pressure flow hypothesis. (c) Diffusion is a slow process and is dependent on a 'living system'. (d) A C4 plant loses only half as much water as a C3 plant for the same amount of Co2 fixed.

Select the two correct statements out of the four (1-4) given below about lac operon. 1. Glucose or galactose may bind with the repressor and inactivate it 2. In the absence of lactose the repressor binds with the operator region 3. The z-gene codes for permease 4. This was elucidated Francois Jacob and Jacque Monod The correct statements are :

Consider the following four statements (A-D) and select the option which includes all the correct ones only : - (A) Ability of the host to fight the disease causing organisms conferred by the immune system is called allergy (B) Highly intensified secondary immune response is also called as anamnestic response (C) Innate immunity is characterised by memory (D) Each antibody molecule has two light polypeptide chains

A few statements with regard to sexual reprodction are given below. (i) Sexual reproduction does not always require two individuals. (ii) Sexual reproduction generally involves gametic fusion. (iii) Meiosis never occurs during sexual reproduction. (iv) External fertilisation is a rule during sexual reproduction. Choose the correct statements from the option below.

A few statements with regard to sexual reprodction are given below. (i) Sexual reproduction does not always require two individuals. (ii) Sexual reproduction generally involves gametic fusion. (iii) Meiosis never occurs during sexual reproduction. (iv) External fertilisation is a rule during sexual reproduction. Choose the correct statements from the option below.

A few statements with regard to sexual reprodction are given below. (i) Sexual reproduction does not always require two individuals. (ii) Sexual reproduction generally involves gametic fusion. (iii) Meiosis never occurs during sexual reproduction. (iv) External fertilisation is a rule during sexual reproduction. Choose the correct statements from the option below.

Consider the following four statements (a-d) and select the option which includes the correct ones only ? (a) Floral or reproductive characters are less conservative as compared to vegetative characters. (b) Gross morphology is not considered in natural nonphylogenetic classification. (c) Tautonyms are valid in plant nomenclature. (d) Scientific names should be derived from Latin or Greek language.