Which of the following exists as a filament?

Example of an organism that exists as a colony is

The part of a cell that is responsible for energy production is

The study that deals with classification of organisms is

Excess water in amoeba is removed through the

In paramecium, cilia are used for

Spirogyra reproduces vegetatively by

Which of the following diseases is caused by virus?

Sucker in tapeworm is used for

The locomotory structure in amoeba is

Hydra belongs to the class

The mode of nutrition in tapeworm is

Fresh water habitat is characterized by the following except

The vessel that takes blood to the liver is _____ artery

Figure 3.1 represents the cross section of a

The vessel that carries blood from the heart to the kidney is

The organ represented in figure 3.1 is for

Alveoli are structures located in the

Single blood circulation is a characteristic of

• The following are organs involved in homeostasis except

The mineral salt needed for the production of thyroxine is

The site for gaseous exchange in lungs is

Epigeal germination is a characteristic feature of

Deficiency of iodine in human diet causes

The following are applications of variation except for

Mineral salts are transported from roots to the leaves by

The response of plant root towards stimulus of water is called

Cretinism is a deficiency disease of

The first step in the process of photosynthesis is the

Figure 3.2 represents a

The instrument is used to determine

Which of the following hormones regulates the amount of glucose in the blood?

Fruits and seeds that have spongy tissues and air spaces are easily dispersed by

Example of an insect that undergoes complete metamorphosis is

The fusion of male and female gametes is referred to as

The sex of a baby is determined during

Birds excrete nitrogenous wastes in form of

The bone o which ribs are attached in the chest is

An example of a producer in a food chain is

The part of the brain that is responsible for detecting smell sensation is

Deficiency of vitamin D in human diet causes

Which of the following hormones is secreted by the thyroid gland?

The function of abscisic acid in plant is to

The response of plant shoot to the stimulus of touch is called

Caudal vertebra is located in the

After mastication, food is rolled and swallowed in the form of

The complex feeding in a habitat is referred to as

Fig 3.3 represents a

The rain instrument represented in Fig 3.3 is for

Adult male mosquito feeds on

The study of organisms in relation to their environment is

Plants adapted to arid region are

The part of the brain that controls voluntary actions is

Population growth is encouraged by

The scientist that discovered cell is

Gaseous exchange in leaf takes place in the

The following are heritable traits in man except

The theory of “use and disuse” of organs was propounded by

A trait in an individual that is suppressed in the presence of another trait is said to be

The relationship between sea anemone and hermit crab is