MDCAT Biology Growth and Development Test Mcqs Online

Meristematic cells are present at which of following parts of plants

The meristem present at the base of internodes is which of following

The progressive changes which are undergone before an organism acquires its adult fro, constitutes

Growth in length is due to

The type of growth in which plant grow to certain size and then stop called which of following

The growth of flower is which of following

Lateral meristems are examples of

The zone present a little distance from apex is which of following

Red light affects the plant by

Vitamin deficiencies are induced in which of following

Ultraviolet radiation affects the plant by

In stage 5 which of following formed

The Phenomenon which inhibits the sprouting of lateral but is which of following

Apical dominance is due to

Primary structure of plant body are formed by

Vascular and cork cambium are the example of

Which of the following is the optimum temperature for growth

The neural groove an neural folds are clearly visible at which stage of development

Differentiation in plants takes place in how many stages

One of the most important correlative effects in plants is

Shell of the egg is formed

The dorsal lip of blastopore were capable of inducing a complete embryo, this area corresponds to the presumptive areas of

Gray crescent area

In Acetabutaria cap formation is under the control of

The chick egg is surrounded by a various accessory coverings secreted by the female

In chick, shall is secreted as the egg passes through the

In incubating eggs artificially, the incubators are usually regulated at temperature between

In a regulated temperature, the chick completes development and hatched on the day

After fertilization, the egg undergo a series of mitotic division called

Formation of rounded closely packed mass of cells during development is called

During gastrulation, the blastoderm splits into two-layers, an upper layer of cells called

The presumptive of hypoblast is

After cleavage a hollow ball of the cell with the cavity inside is known as

The three germinal layers are ……, ……… and endoderm

The phase of cell movement is identified as

Which of the following layer differentiate into nervous system and skin epidermis

In the chick the mesodermal cells migrate medially and cadually from both sides and create a mid line thickening called

The cavity formed between the somatic and Splanchnic mesoderm’s called

Muscles, bones, circulatory system and gonads are differentiate by the layer

Which of the following acts as a back bone of embryo

Acetabularia mediterrnea has a

Negative physiological changes in our body is called

The ability to regain or recover the lost part is called

Thermoregulation refers to which of the following

Maintenance of internal temperature within a tolerable range is designated as

In these processes there is an inverse effector’s response to the change in external environment as there is generally cooling effector’s response to warmth sensing in external environment, thus are termed as

The more concentrated external environment is termed as

All of the following are the groups of plants on the availability of water except

Plants which have the adaptation to remove the flooding of its cells in fresh water are termed as

All of the following are the characteristics of xerophytes except