Which of the following characters, are defining features
of all living organisms?
(A) Growth from inside
(B) Sexual reproduction
(C) Metabolism
(D) Response to stimuli
(E) Cellular organisation
1. Only (C), (D) and (E)
2. Only (A) and (B)
3. Only (B), (C) and (D)
4. All except (B)
In how many organisms present below in the box in which reproduction is synonymous with growth?
Amoeba, Yeast, Diatom, Mules, Spirogyra, Mangifera, Panthera, Datura and Gonyaulax
1. 7
2. 5
3. 4
4. 6
The contrasting characteristics generally in a pair used for identification of animals in Taxonomic Key are referred to as:
1. Lead
2. Couplet
3. Doublet
4. Alternate
Living organisms can be unexceptionally distinguished from non-living things on the basis of their ability for:
1. | responsiveness to touch |
2. | interaction with the environment and progressive evolution |
3. | reproduction |
4. | growth and movement |
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
Which one of the following is not a correct statement?
1. | Botanical Gardens have a collection of living plants for reference. |
2. | A museum has a collection of photographs of plants and animals |
3. | The key is taxonomic aid for the identification of specimens. |
4. | herbarium houses dried, pressed and preserved plant specimens |
Select correct combination of the statements regarding
the taxonomical aids.
A. Herbaria serve as quick referral systems in
taxonomical studies.
B. Keys are generally analytical in nature.
C. Manuals provide the index to the plant species
found in a particular area.
D. Museums have collections of preserved animal
specimens only, for study and reference.
1. A, B, C
2. B, D
3. A, B
4. A, C
Study the four statements (I-IV) given below and select the two correct ones out of them:
1. | Definition of biological species was given by Ernst Mayr. |
2. | Photoperiod does not affect reproduction in plants. |
3. | Binomial nomenclature system was given by RH Whittaker. |
4. | In unicellular organisms, reproduction is synonymous with growth. |
The two correct statements are:
1. II and I
2. III and IV
3. I and IV
4. I and II
Column I | Column II | ||
a. | Herbarium | i. | It is a place having a collection of preserved plants and animals. |
b. | Key | ii. | A list that enumerates methodically all the species found in an area with a brief description aiding identification. |
c. | Museum | iii. | Is a place where dried and pressed plant specimens mounted on sheets are kept. |
d. | Catalogue | iv. | A booklet containing a list of characters and their alternates which are helpful in the identification of various taxa. |
a | b | c | d | |
1. | i | iv | iii | ii |
2. | iii | ii | i | iv |
3. | ii | iv | iii | i |
4. | iii | iv | i | ii |
The label of a herbarium sheet does not carry information on:
1. date of collection
2. name of collector
3. local names
4. height of the plant