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MCQOPTIONS
This section includes 200950 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 15401. |
The genotypic ratio obtained in a Mendelian dihybrid cross is |
| A. | 9 : 7 |
| B. | 1 : 4 : 4 : 1 : 2 : 2 : 1 : 1 |
| C. | 9 : 3 : 3 : 1 |
| D. | 1 : 2 : 2 : 4 : 1 : 2 : 1 : 2 : 1 |
| Answer» E. | |
| 15402. |
The phenotypic ratio of F2 progeny in a dihybrid cross is |
| A. | 1 : 2 : 2 : 4 : 1 : 2 : 1 : 2 : 1 |
| B. | 9 : 1 : 3 : 3 : 1 |
| C. | 9 : 3 : 3 : 1 |
| D. | 9 : 3 : 3 : 1: 1 |
| Answer» D. 9 : 3 : 3 : 1: 1 | |
| 15403. |
A man can cover a distance in 1hr 24min by covering 2/3 of the distance at 4 km/h and the rest at 5km/h. The total distance is ? |
| A. | 5km |
| B. | 6km |
| C. | 7km |
| D. | 8km |
| Answer» C. 7km | |
| 15404. |
In covering a distance of 30 km, A takes 2 hours more than B. If A doubles his speed, then he would take 1 hour less than B. A's speed is ? |
| A. | 5 km/h |
| B. | 8 km/h |
| C. | 10 km/h |
| D. | 15 km/h |
| Answer» B. 8 km/h | |
| 15405. |
During a cross between yellow round (YYRR) and green wrinkled (yyrr), which of the following statement is true? i. A gamete which receives ‘Y’ for colour, ii. A gamete which receives ‘Y’ for colour iii. A gamete which receives ‘y’ for colour iv. A gamete which receives ‘y’ for colour |
| A. | only (iv) is true |
| B. | (i), (ii), (iii) and (iv) are true |
| C. | (i), (ii) are true |
| D. | (i) and (iii) are true |
| Answer» E. | |
| 15406. |
The ratio between the speeds of two trains is 7: 8. If the second train runs 440 kms in 4 hours, then the speed of the first train is ? |
| A. | 47.4 km/hr |
| B. | 57.19 km/hr |
| C. | 68.13 km/hr |
| D. | 96.25 km/hr |
| Answer» E. | |
| 15407. |
A man walks at 5kmph for 6hr and at 4km/h for 12hr. His average speed is ? |
| A. | 4 1/3 km/h |
| B. | 7 2/3 km/h |
| C. | 9 ½ km/h |
| D. | 8 km/h |
| Answer» B. 7 2/3 km/h | |
| 15408. |
Walking at the rate of 4kmph a man cover certain distance in 2hr 45 min. Running at a speed of 16.5 kmph the man will cover the same distance in ? |
| A. | 12 min |
| B. | 25 min |
| C. | 40 min |
| D. | 48 min |
| Answer» D. 48 min | |
| 15409. |
53, 53, 40, 40, 27, 27, ? |
| A. | 14 |
| B. | 12 |
| C. | 16 |
| D. | 18 |
| Answer» B. 12 | |
| 15410. |
who says that Modi’s nod to kill Ishrat: Gujarat cop ? |
| A. | People |
| B. | Vanzara |
| C. | Police |
| D. | women |
| Answer» C. Police | |
| 15411. |
Mendel’s pattern of inheritance systematically showed the progeny in |
| A. | all of these |
| B. | cross board |
| C. | square board |
| D. | checker board |
| Answer» E. | |
| 15412. |
2, 3, 5, 7, 11, ?, 17 |
| A. | 15 |
| B. | 14 |
| C. | 13 |
| D. | 12 |
| Answer» D. 12 | |
| 15413. |
(3 : 1) × (3 : 1) = 9 : 3 : 3 : 1 This signifies |
| A. | none of the above |
| B. | dihybrid ratio is a product of two |
| C. | two monohybrid ratio |
| D. | trihybrid ratio |
| Answer» C. two monohybrid ratio | |
| 15414. |
The statement – “Probability of two independent events occurring simultaneously is the product of their individual probabilities” is |
| A. | law of new combinations |
| B. | law of segregation |
| C. | principle of probability |
| D. | law of dominance |
| Answer» D. law of dominance | |
| 15415. |
A car covers 4 successive 3km stretches at speed of 10kmph, 20kmph, 30kmph u0026 60kmph resp. Its average speed is ? |
| A. | 20 km/h |
| B. | 25 km/h |
| C. | 30 km/h |
| D. | 35 km/h |
| Answer» B. 25 km/h | |
| 15416. |
A u0026 B are two towns. A person covers the distance from A to B on cycle at 17kmph and returns to A by a boat running at a uniform speed of 8kmph. His average speed for the whole journey is ? |
| A. | 12.5 km/h |
| B. | 12.33 km/h |
| C. | 10.75 km/h |
| D. | 10.88 km/h |
| Answer» E. | |
| 15417. |
The ratio between the speeds of the Au0026 B is 2:3, and therefore A takes 10 min more than the time taken by B to reach the destination. If A had walked at double the speed, he would have covered the distance in |
| A. | 8 min |
| B. | 12 min |
| C. | 15 min |
| D. | 18 min |
| Answer» D. 18 min | |
| 15418. |
A motorist covers a distance of 39km in 45min by moving at a speed of x kmph for the first 15min, then moving at double the speed for the next 20 min, and then again moving at his original speed for the rest of the journey. Find x ? |
| A. | 60 km/h |
| B. | 48 km/h |
| C. | 36 km/h |
| D. | 58 km/h |
| Answer» D. 58 km/h | |
| 15419. |
Out of the four phenotypes obtained in F2generation of dihybrid cross between yellow round and green wrinkled seeds of pea plant, |
| A. | all were new combination |
| B. | all were with recessive trait |
| C. | all were parental combination |
| D. | two were parental and two were new |
| Answer» E. | |
| 15420. |
When Mendel performed dihybrid cross by crossing yellow round seed of pea plant with green wrinkled seed of pea plant, what result did he obtained in F2 generation? |
| A. | All green wrinkled seeds. |
| B. | Yellow round, yellow wrinkled, green |
| C. | 75% yellow round and 25% green |
| D. | All yellow round seeds |
| Answer» E. | |
| 15421. |
Which of the following statements are true about dihybrid? |
| A. | It is produced in a cross between two |
| B. | It is heterozygous for two traits |
| C. | It is homozygous for two traits |
| D. | It is homozygous for two traits |
| Answer» C. It is homozygous for two traits | |
| 15422. |
Charging that the Uttarakhand government failed to handle the tragedy caused by floods and landslides, leader of the opposition in ? |
| A. | Vidhan sabha |
| B. | Lok Sabha susma swaraj |
| C. | All of these |
| D. | None of the above |
| Answer» C. All of these | |
| 15423. |
A train covers a distance in 50 min, if it runs at a speed of 48kmph on an average. The speed at which the train must run to reduce the time of journey to 40min will be ? |
| A. | 60 km/h |
| B. | 55 km/h |
| C. | 40 km/h |
| D. | 70 km/h |
| Answer» B. 55 km/h | |
| 15424. |
A man covers a distance on scooter. Had he moved 3kmph faster he would have taken 40 min less. If he had moved 2kmph slower, he would have taken 40min more. The distance is ? |
| A. | 30 km |
| B. | 40 km |
| C. | 45 km |
| D. | 50 km |
| Answer» C. 45 km | |
| 15425. |
The phenotype of plant with genotype YyRr must be |
| A. | green wrinkled |
| B. | Yellow round |
| C. | Green round |
| D. | Yellow wrinkled |
| Answer» C. Green round | |
| 15426. |
Sri Lanka has released 49 fishermen belonging to Rameswaram in ? |
| A. | Maharashtra |
| B. | uttar pradesh |
| C. | Tamil Nadu |
| D. | Karnataka |
| Answer» D. Karnataka | |
| 15427. |
The Gram Panchayat elections in Andhra Pradesh will be held in three phases on ? |
| A. | 25,26,28 july |
| B. | 25,26,28 august |
| C. | 23,27,31, july |
| D. | None of the above |
| Answer» D. None of the above | |
| 15428. |
Mendel formulated the law of dominance and law of purity of gametes on the basis of |
| A. | dihybrid cross |
| B. | monohybrid cross |
| C. | back cross |
| D. | test cross |
| Answer» C. back cross | |
| 15429. |
A cross between two pure individuals differing in two sets of characters is called |
| A. | reciprocal cross |
| B. | trihybrid cross |
| C. | monohybrid cross |
| D. | dihybrid cross |
| Answer» C. monohybrid cross | |
| 15430. |
In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The duration of the flight is |
| A. | 1 hour |
| B. | 2 hour |
| C. | 3 hour |
| D. | 4 hour |
| Answer» B. 2 hour | |
| 15431. |
Air india launch a flight in 1 august ? |
| A. | jaipur to srilanka |
| B. | Delhi to mumbai |
| C. | Delhi to Birmigham |
| D. | option (1) and (2) |
| Answer» D. option (1) and (2) | |
| 15432. |
Reappearance of recessive trait in F2generation is due to |
| A. | Law of purity of gametes |
| B. | Law of codominance |
| C. | Law of dominance |
| D. | Law of independent assortment |
| Answer» B. Law of codominance | |
| 15433. |
The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 kms in 4 hours, then the speed of the first train is ? |
| A. | 70 km/hr |
| B. | 75 km/hr |
| C. | 84 km/hr |
| D. | 87.5 km/hr |
| Answer» E. | |
| 15434. |
Which of the Mendel’s laws will always prove to be universally true in all cases? |
| A. | 1 |
| B. | 2 |
| C. | Only the 2 |
| D. | All three laws |
| Answer» D. All three laws | |
| 15435. |
A man covered a certain distance at some speed. Had he moved 3 kmph faster, he would have taken 40 minutes less. If he had moved 2 kmph slower, he would have taken 40 minutes more. The distance (in km) is ? |
| A. | 35 |
| B. | 36 2/3 |
| C. | 37 1/2 |
| D. | 40 |
| Answer» E. | |
| 15436. |
A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is ? |
| A. | 100 kmph |
| B. | 110 kmph |
| C. | 120 kmph |
| D. | 130 kmph |
| Answer» D. 130 kmph | |
| 15437. |
In covering a distance of 30 km, A takes 2 hours more than B. If Abhay doubles his speed, then he would take 1 hour less than B. A's speed is ? |
| A. | 5 kmph |
| B. | 6 kmph |
| C. | 6.25 kmph |
| D. | 7.5 kmph |
| Answer» B. 6 kmph | |
| 15438. |
A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is ? |
| A. | 35.55 km/hr |
| B. | 36 km/hr |
| C. | 71.11 km/hr |
| D. | 71 km/hr |
| Answer» D. 71 km/hr | |
| 15439. |
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is ? |
| A. | 50 km |
| B. | 56 km |
| C. | 70 km |
| D. | 80 km |
| Answer» B. 56 km | |
| 15440. |
The second law of inheritance proposed by Mendel deals with |
| A. | epistasis |
| B. | segregation |
| C. | independent assortment |
| D. | dominance |
| Answer» C. independent assortment | |
| 15441. |
The law of dominance is illustrated in the garden pea by |
| A. | homozygous tall × pure dwarf |
| B. | pure short × pure dwarf |
| C. | homozygous tall × homozygous tall |
| D. | heterozygous tall × heterozygous tall |
| Answer» B. pure short × pure dwarf | |
| 15442. |
A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km ? |
| A. | 220 km |
| B. | 224 km |
| C. | 230 km |
| D. | 234 km |
| Answer» C. 230 km | |
| 15443. |
Which of the following Mendel’s laws has not been proved to be true in all cases? |
| A. | Law of purity of gametes |
| B. | Law of dominance |
| C. | Mendel’s second law of inheritance |
| D. | Law of segregation |
| Answer» C. Mendel’s second law of inheritance | |
| 15444. |
It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the cars is ? |
| A. | 2 : 3 |
| B. | 3 : 2 |
| C. | 3 : 4 |
| D. | 4 : 3 |
| Answer» D. 4 : 3 | |
| 15445. |
Which of the following is phenotypic ratio of Mendel’s monohybrid cross ? |
| A. | 1:3 |
| B. | 1:1:2 |
| C. | 3:1 |
| D. | 1:2:1 |
| Answer» D. 1:2:1 | |
| 15446. |
The monohybrid ratio is defined as |
| A. | genotypic ratio obtained in F1 generation |
| B. | genotypic ratio obtained in F2 generation |
| C. | phenotypic ratio obtained in F1 |
| D. | phenotypic ratio obtained in F2 |
| Answer» E. | |
| 15447. |
Out of the four progenies obtained in F2generation by crossing pure tall and pure dwarf, how many of them will receive only recessive trait from both parents? |
| A. | three |
| B. | two |
| C. | one |
| D. | all four |
| Answer» D. all four | |
| 15448. |
HI, Jl, KL, ML, NO, ? ? |
| A. | OP |
| B. | QO |
| C. | PO |
| D. | PQ |
| Answer» D. PQ | |
| 15449. |
CBA, WVU, IHG, TSR, ? |
| A. | NOM |
| B. | MON |
| C. | NMO |
| D. | ONM |
| Answer» E. | |
| 15450. |
A, C, F, ?, O |
| A. | K |
| B. | H |
| C. | J |
| D. | I |
| Answer» D. I | |