Daily Current Affairs Prelims Practice (19-09-2026)

1.       A bird changes its calling behaviour when environmental conditions change, without any demonstrated genetic change. This most directly illustrates:

(a)     Genetic drift

(b)     Reproductive isolation

(c)     Behavioural plasticity

(d)     Geographic speciation

2.      Consider the following languages:

1. Tulu
2. Tamil
3. Telugu
4. Kannada

How many of the above belong to the Dravidian language family?

(a)     Only one

(b)     Only two

(c)     Only three

(d)     All four

3.      Which planting strategy best represents the Miyawaki method?

(a)     Densely planting diverse native species in multiple vegetation layers

(b)     Widely spacing a single fast-growing species in uniform rows

(c)     Replacing existing vegetation with seasonally flowering ornamental plants

(d)     Maintaining an open grass lawn with scattered exotic shade trees

4.      Consider the following geographical pairs:

1. Shaksgam Valley — Karakoram region
2. Gwadar Port — Arabian Sea
3. Kashgar — Xinjiang

How many of the above pairs are correctly matched?

(a)     Only one

(b)     Only two

(c)     None

(d)     All three

5.      With reference to the anti-defection law, consider the following statements:

1. Its provisions are contained in the Tenth Schedule.
2. Voluntarily giving up party membership may be inferred from a legislator’s conduct.
3. Disqualification on this ground requires a written resignation from the political party.

Which of the above statements are correct?

(a)     1 and 3 only

(b)     2 and 3 only

(c)     1 and 2 only

(d)     1, 2 and 3

6.      Consider the following metals:

1. Manganese
2. Nickel
3. Cobalt
4. Copper

How many of the above are commonly associated with deep-sea polymetallic nodules?

(a)     Only one

(b)     Only two

(c)     Only three

(d)     All four

7.      Which statement correctly describes the decision-making process under the anti-defection law?

(a)     The Speaker or Chairman ordinarily decides, subject to judicial review.

(b)     The Election Commission ordinarily decides, subject to judicial review.

(c)     The Governor ordinarily decides, after consulting the Election Commission.

(d)     The political party ordinarily decides, after consulting the Speaker.

8.      A proposed mining activity may cause serious, irreversible ecological damage, but scientific knowledge remains incomplete. Which response best reflects the precautionary principle?

(a)     Permit extraction until a direct causal link to damage is conclusively proved.

(b)     Treat incomplete knowledge as evidence that significant damage is unlikely.

(c)     Adopt proportionate protective measures without waiting for complete certainty.

(d)     Replace preventive safeguards with compensation after damage is established.

9.      A municipality processes segregated food waste in two facilities. Facility X decomposes it with an adequate oxygen supply. Facility Y decomposes it in sealed digesters without oxygen. Which pairing is correct?

(a)     X—anaerobic digestion; Y—aerobic composting

(b)     X—incineration; Y—anaerobic digestion

(c)     X—aerobic composting; Y—incineration

(d)     X—aerobic composting; Y—anaerobic digestion

10.     Researchers observe that birds in noisier locations use higher-frequency calls than birds in quieter locations. Which conclusion is best supported by this observation alone?

(a)     The birds have developed a new inherited genetic trait.

(b)     Call frequency is associated with differences in surrounding noise.

(c)     Higher-frequency calls have increased the birds’ breeding success.

(d)     The noisier locations now support a separate bird species.

ANSWERS for Daily Current Affairs Prelims Practice (19-09-2026):

1.    Answer: (c)

2.   Answer: (d)

3.   Answer: (a)

4.   Answer: (d)

5.   Answer: (c)

6.   Answer: (d)

7.   Answer: (a)

8.   Answer: (c)

9.   Answer: (d)

10. Answer: (b)

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