An attribute found in plants but not animals is

(1) Metabolism

(2) Sexual reproduction

(3) Autotrophy

(4) Asexual reproduction

 66%
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Consider the following two statements:

I. In the single-celled organisms, we are not very clear about the usage of the two terms – growth and reproduction.

II. When it comes to unicellular organisms like bacteria, unicellular algae or amoeba, reproduction is synonymous with growth, i.e., increase in number of cells.

1. Both I and II are true and II explains I

2. Both I and II are true but II does not explain I

3. I is true but II is false

4. Both I and II are false

In single-celled organisms, growth and reproduction are often used interchangeably, and the increase in the number of cells is a direct result of reproduction.
 68%
From NCERT
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Study the four statements (I-IV) given below and select the two correct ones out of them:

I. Definition of biological species was given by Ernst Mayr.

II. Photoperiod does not affect reproduction in plants.

III. Binomial nomenclature system was given by RH Whittaker.

IV. In unicellular organisms, reproduction is synonymous with growth.

The two correct statements are

(1) II and III

(2) III and IV

(3) I and IV

(4) I and II

 75%
NEET - 2016
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Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

(1) Diplontic life cycle

(2) Members of kingdom-Plantae

(3) Mode of nutrition

(4) Multiplication by fragmentation

 72%
From NCERT
NEET - 2012
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Nicotiana sylvestris flowers only during long days and N.tabacum flowers only during short days. If raised in the laboratory under different photoperiods, they can be induced to flower at the same time and can be cross-fertilized to produce self-fertile offspring. What is the best reason for considering N.sylvestris and N.tabacum to be separation species?

(1) They cannot interbreed in nature

(2) They are reproductively distinct

(3) They are physiologically distinct

(4) They are morphologically distinct

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Find out the wrong statement -
a. Increase in mass and increase in number of individuals are twin characteristics of growth.
b. Growth, reproduction and ability to respond are the only unique features of living organisms.
c. a and b both
d. Metabolism, ability to self-replicate and self-organise are the unique features of living organisms.

 62%
From NCERT
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Match the following:

p. Yeast    a. regeneration 
q. Hydra    b. budding
r.  Protonema of mosses c. fragmentation
s. Filamentous Algae  
t.  Planaria  
u. Flat worms  

 

  p q r s t u
(1) b a b b a c
(2) c c b a a c
(3) c a c b b a
(4) b b c c a a
 79%
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Reproduction cannot be:
a. Asexual
b. Characteristics of living organisms
c. Synonymous of growth in multicellular organism
d. A form of fragmentation

 60%
From NCERT
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Increase in number can be-
a. Growth
b. Reproduction
c. Both a and b
d. Accumulation

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Reproduction cannot be an all-inclusive defining characteristic of living organism because of
a. Asexual reproduction
b. Non living organisms also replicate
c. Examples of worker bees
d. May occur in all type of living systems instead of living organisms.

 73%
From NCERT
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