- ABiolistics (gene gun)
- BMicroinjection
- CElectroporation
- ✓Agrobacterium tumefacians
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Primary sludge | Activated sludge |
| (i) It is sludge formed during primary-sew-age treatment | It is sludge formed during secondary sewage treatment |
| (ii) It possesses floes of decomposer microbes | It does not posses floes of decomposer microbes |
| (iii) It does not require aeration | Formation of activated sludge requires aeration |
| (iv) A lot of decomposition occurs during formation of primary sludge | Very little decomposition occurs during formation of activated sludge |
$I.$ Group of independent, interacting populations of same species
$II.$ Group of independent and interacting populations of same species in specific area
$III.$ Group of independent interacting populations of different species in a specific area
$IV.$ Group of independent and interacting populations of different species in different area
Select the correct option
Column I with those in Column II
Column I Column II
(A) Peritrichous flagellation (J) Ginkgo
(B) Living fossil (K) Macrocystes
(C) Rhizophore (L) Escherichia coli
(D) Smallest flowering plant (M) Selaginella
(E) Largest perennial alga (N) Wolffia Select the correct answer from the following