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.
26/10/2024
Biology
11th (Science)
The Living World
Can you identify the correct sequence of taxonomical categories?
(a) Species-Order- Phylum -Kingdom
(b) Genus -Species- Order -Kingdom
(c) Species- Genus- Order- Phylum
26/10/2024
Biology
11th (Science)
The Living World
Define a taxon. Give some examples of taxa at different hierarchical
levels.
26/10/2024
Biology
11th (Science)
The Living World
Given below is the scientific name of Mango. Identify the correctly
written name.
Mangifera Indica
Mangifera indica
26/10/2024
Biology
11th (Science)
The Living World
What do we learn from identification of individuals and populations?
26/10/2024
Biology
11th (Science)
The Living World
What different criteria would you choose to classify people that you
meet often?
26/10/2024
Biology
11th (Science)
The Living World
Why are the classification systems changing every now and then?
26/10/2024
Biology
11th (Science)
Sets
Write the following as intervals :
(i) {x : x ∈ R, – 4 < x ≤ 6} (ii) {x : x ∈ R, – 12 < x < –10}
(iii) {x : x ∈ R, 0 ≤ x < 7} (iv) {x : x ∈ R, 3 ≤ x ≤ 4}
26/10/2024
Mathematics
11th (Science)
Sets
Write down all the subsets of the following sets
(i) {a} (ii) {a, b} (iii) {1, 2, 3} (iv) φ
26/10/2024
Mathematics
11th (Science)
Sets
Let A = { 1, 2, { 3, 4 }, 5 }. Which of the following statements are incorrect and why?
(i) {3, 4} ⊂ A (ii) {3, 4} ∈ A (iii) {{3, 4}} ⊂ A
(iv) 1 ∈ A (v) 1 ⊂ A (vi) {1, 2, 5} ⊂ A
(vii) {1, 2, 5} ∈ A (viii) {1, 2, 3} ⊂ A (ix) φ ∈ A
(x) φ ⊂ A (xi) {φ} ⊂ A
4