RRB Group D 2022-29-8-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-29-8-2022-3 RRB Questions

41.
For the following reaction, balance the chemical equation with state symbols.
CO₂ + H₂O → C₆H₁₂O₆ + 6O₂ + 6H₂O
A.
6 CO₂(g) + 12H₂O (l) → C₆H₁₂O₆ (aq) + 6O₂(g) + 6H₂O (l)
B.
CO₂ (g) + 12H₂O (l) → C₆H₁₂O₆ + 6O₂ + 6H₂O
C.
6 CO₂ (aq) + 12H₂O (l) → C₆H₁₂O₆ (aq) + 6O₂(aq) + 6H₂O (l)
D.
CO₂(g) + 6H₂O(l) → C₆H₁₂O₆ + 6O₂ + 6H₂O
😑 View Answer Rough Work
ANSWER :
A. 6 CO₂(g) + 12H₂O (l) → C₆H₁₂O₆ (aq) + 6O₂(g) + 6H₂O (l)
42.
In February 2021, who launched the ICMR/DHR Policy along with Dr. Bharti Pravin Pawar on Biomedical Innovation and Entrepreneurship to bring modern health technologies to the people through research and innovations related to diagnosis, treatment methods and vaccines for prevention?
A.
Dr. Maninder Kaur Dwivedi
B.
Dr. Harsh Vardhan
C.
Dr. Pradeep Kumar Vyas
D.
Dr. Mansukh Mandaviya
😑 View Answer Rough Work
ANSWER :
D. Dr. Mansukh Mandaviya
43.
Select the option that correctly indicates which of the following statements are true.
When a strip of zinc metal is placed in copper sulphate solution:
(i) zinc displaces copper from copper sulphate
(ii) the blue colour of copper sulphate solution does not fade
(iii) a blue deposit of copper metal is formed on the zinc strip
(iv) it is an example of combination reaction
A.
iii
B.
ii
C.
iv
D.
i
😑 View Answer Rough Work
ANSWER :
D. i
44.
Which incident prompted Mahatma Gandhi to end his non-cooperation agitation in February 1922?
A.
Chauri-Chaura incident
B.
Khilafat Movement
C.
Jallianwala Bagh massacre
D.
Rowlatt Act endorsement
😑 View Answer Rough Work
ANSWER :
A. Chauri-Chaura incident
45.
Why do the root's water-absorbing epidermal cells frequently have long hair-like parts?
A.
To enhance the amount of surface area available for absorption
B.
For locomotion
C.
To enhance the amount of surface area available for transpiration
D.
To reduce the amount of surface area available for photosynthesis
😑 View Answer Rough Work
ANSWER :
A. To enhance the amount of surface area available for absorption
46.
How will quarter to eight be indicated in the 24-hour format?
A.
20:15 hours
B.
19:45 hours
C.
19:15 hours
D.
20:45 hours
😑 View Answer Rough Work
ANSWER :
B. 19:45 hours
47.
Seven people with the initials of their names G, H, I, J, K, L and M were sipping their tea, sitting around a circular table, facing the centre. They were equidistant to one another. K was sitting to the immediate right of I. Only H was sitting between M and J. L was an immediate neighbour of M. G was sitting third to the right and fourth to the left of J. Who were the immediate neighbours of G?
A.
K and M
B.
L and I
C.
K and L
D.
M and I
😑 View Answer Rough Work
ANSWER :
C. K and L
48.
What approximate value should come in place of the question mark (?) in the following equation?
444.033 ÷ 15.998 ÷ 37.02 × 11.992 = ?
A.
9
B.
81
C.
243
D.
125
😑 View Answer Rough Work
ANSWER :
A. 9
49.
Study the given diagram carefully and answer the question. The numbers in different sections indicate the number of persons who like different sports.
[Venn diagram: Tennis 219, Cricket 400, Baseball 307, with overlaps 170, 80, 120, 100]
How many people like both cricket and baseball?
A.
180
B.
100
C.
210
D.
80
😑 View Answer Rough Work
ANSWER :
A. 180
50.
If the volume of a cube is 729 cm³, then the edge of the cube is:
A.
3 cm
B.
12 cm
C.
24 cm
D.
9 cm
😑 View Answer Rough Work
ANSWER :
D. 9 cm