Try to collect all the currently accepted meanings for the word ‘species’. Discuss with your teacher the meaning of species in case of higher plants and animals on one hand, and bacteria on the other hand.
Solution and Explanation
In biological terms, species is the basic taxonomical rank. It can be defined as a group of similar organisms that are capable of interbreeding under natural conditions to produce fertile offsprings. Therefore, a group of similar individuals that are respectively isolated form a species.
Species can also be defined as group of individuals that share the same gene pool.
Top Questions on Taxonomic Categories
- Arrange the following Taxonomic groups in the decreasing order of the number of species described on the earth:
(A) Vascular plants
(B) Insects
(C) Fungi
(D) Algae
(E) Fish
Choose the correct answer from the options given below:- CUET (PG) - 2023
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(A) Monocotyledonae
(B) Angiospermae
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(D) Poales
(E) Triticum
Choose the correct answer from the options given below:- CUET (PG) - 2023
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A. Monocotyledonae
B. Angiospermae
C. Poaceae
D. Poales
E. Triticum
Choose the correct answer from the options given below:- CUET (PG) - 2023
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- Match the items given in Column I with those in Column II and select the correct option given below :
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 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 identification of various taxa. - NEET (UG) - 2018
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Questions Asked in CBSE Class XI exam
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- \(HCHO(l) + 2[Ag (NH_3)_2] ^+ (aq) + 3OH^ - (aq) \rightarrow 2Ag(s) + HCOO ^- (aq) + 4NH_3(aq) + 2H_2O(l)\)
- \(HCHO (l) + 2Cu^{ 2+}(aq) + 5 OH^ - (aq) \rightarrow Cu_2O(s) + HCOO ^- (aq) + 3H_2O(l)\)
- \(N_2H_4(l) + 2H_2O_2(l) \rightarrow N_2(g) + 4H_2O(l)\)
- \(Pb(s) + PbO_2(s) + 2H_2SO_4(aq) \rightarrow 2PbSO_4(s) + 2H_2O(l)\)
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Figure 8.9 shows the strain-stress curve for a given material. What are (a) Young’s modulus and (b) approximate yield strength for this material?
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Two identical ball bearings in contact with each other and resting on a frictionless table are hit head-on by another ball bearing of the same mass moving initially with a speed V. If the collision is elastic, which of the following (Fig. 5.14) is a possible result after collision ?
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