General Knowledge

Science & Technology

Easy

The age of a tree can be calculated by

Measuring its height

Measuring the thickness of the trunk

Measuring the width of the tree

Measuring the number of annual rings

✅ Correct Option: 4

The age of a tree is determined by counting the annual growth rings in a horizontal cross-section of the trunk. This method is called dendrochronology (tree-ring dating).

2024

Match List-I with List-II:

2026: 29 May Shift 1

A cell-

(A) Cells were first discovered by Robert Hooke

(B) He observed cells in cork slice

(D) Every cell has only two features, the plasma membrane and the nucleus

Choose the correct answer from the options given below:

2025: 30 May Shift 2

Which of the following communication satellites was launched on 24 June 2022?

2026: 18 May Shift 2

Match the LIST-I with LIST-II

LIST-I (Botanical Name)	LIST-II (Plant)
A. Allium cepa	I. Onion
B. Brassica juncea	II. Mustard
C. Cucurbita	III. Pumpkin
D. Brassica rapa	IV. Turnip

Choose the correct answer from the options given below:

2025: 29 May Shift 1

Who among the following was awarded the Nobel Prize in 1983, along with William A Fowler, for key discoveries related to evolutionary stages of massive stars?

2025: 29 May Shift 2

The Unit of Work done is Joule. 1 Joule = ___________?

The age of a tree can be calculated by

Solution

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