Questions

In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores?

Spiders belong to which class of animals?

Which of the following forms a base pair with thymine?

In the following items, each passage consists of six sentences. The first and the sixth sentence are given in the beginning as S1 and S6. The middle four sentences in each have been removed and jumbled up. These are labeled P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark your response accordingly on the Answer Sheet.

S1 :Iguanodon was one of the first dinosaurs to be scientifically described.
S6:This quadrupedal dinosaur lived about 70 million years ago and its fossils are found in many parts of England, Europe, Asia and North Afrcia.
P:These teeth formed a dental battery in which replacing teeth were constantly growing.
Q:The fore limbs were slightly larger than other members of its group known as Ornithischia.
R:Ithad numerous teeth in the sides of the jaws, arranged in rows.
S:It was about 40 feet in length.

The proper sequence should be 

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
Meenu will return the book.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

P- According to various estimates, between 1942 and 1944 there were approximately 400 victims of this practice daily in Warsaw alone, with numbers on some days reaching several thousands.

Q- A common German practice in occupied Poland was to round up random civilians on the streets of Polish cities.

R- For example, on 19th September 1942 close to 3000 men and women were transported by train to Germany – they had been caught in the massive round-ups all over Warsaw the previous two days.

S- The term, "lapanka" carried a sardonic connotation from the word's earlier use for the children's game known in English as "tag".

Depreciation is loss in value of ________

If y=2-x1+x, then what is the value of 1y+1 + 2y+1y2-1 ?