A goods train leaves a station at a certain time and at a fixed speed. After 8 hours, an express train leaves the same station and moves in the same direction at a uniform speed of 120 kmph, this train catches up the goods train in 7 hours. Find the speed of the goods train.

TLS Online TPP Program

#Question id: 5081

#Unit 5. Developmental Biology

 The vegetal pole of a frog zygote differs from the animal pole in that ________.

TLS Online TPP Program

#Question id: 5082

#Unit 5. Developmental Biology

 In which of the following organisms does holoblastic cleavage typically occur?

I) sea urchins

II) humans

III) birds

IV) fish

TLS Online TPP Program

#Question id: 5083

#Unit 5. Developmental Biology

Which of the following correctly displays the sequence of developmental milestones?

TLS Online TPP Program

#Question id: 5084

#Unit 5. Developmental Biology

The first cavity formed during frog development is the ________.

TLS Online TPP Program

#Question id: 5085

#Unit 5. Developmental Biology

An embryo with meroblastic cleavage, extraembryonic membranes, and a primitive streak must be that of ________.

TLS Online TPP Program

#Question id: 5086

#Unit 5. Developmental Biology

Cells move to new positions as an embryo establishes its three germ tissue layers during ________.