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Barium in a suitable form is administered to patients before an x-ray examination of the stomach, because

Identify the bones of the Skull by the numbers they represent________.

Match the following

Which one of the following statements is not true about the plant cell wall?

Which of the following disease(s) is/are caused by protozoans?

___ is an agent that acts as an intermediate carrier of a pathogen.

Which is not a part of carpel?

In multicellular organism different tissues are present to perform various function.Which tissue is helpful in plants for conducting food and water from one part to the other part?

_________ is a parasite which lives on rat's skin.

Identify the correct sequence of steps in the process of photosynthesis.

Which among the following does not belong to phylum Platyhelminthes?

Which one of these is definitely NOT a feature of prokaryotes?

Select True or False in the following statements regarding aerobic and anaerobic respiration.

1. Aerobic respiration proceeds in the presence of oxygen
2. Anaerobic respiration proceeds in the absence of oxygen
3. In anaerobic respiration end product is water
4. Aerobic respiration occurs normally throughout life

Why do vegetables and fruits get damaged during severe winter?

Choose the organisms which excrete urea among the following.

This is a generalized structure of:

What are oxysomes?

Most producers on the earth depend on ___ for their energy requirements.

(a) Explain land and sea breeze? Which process is responsible for this? Explain the process and how is it different from radiation?

(b) How is the earth warmed by the Sun?
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Give two examples of fungi.

The main constituent of biogas is

The specialized cells in the roof of our nose for olfaction are called olfactory___cells.

Raghav used to farm on land near a dumping site. Over a period of years, his land became acidic. Which of the following could be the reason for change in chemical composition of his land?

A group of interbreeding organisms is called a

What is the name of the largest cell in human body?

Process of conversion of cartilages to bones during development is called as

Where do we find columnar simple epithelium?

Where do we find glandular columnar epithelia? What are their main role?

What is goblet cell?

Discuss the implications of the following statement: "It is interesting to note that poultry is India's most efficient converter of low fibre food stuff into highly nutritious animal protein food."

In incidents of fire in closed areas, deaths are reported due to hypoxia even though the victims are not burnt. What is the reason for this?

Stored energy of carbohydrates is released during ___ .

What is main significance of cell wall.

Which of these is the first stage in ideal waste management?

Which of the following is a living component of the atmosphere?

The chemical process of breaking down glucose and releasing energy for carrying out life processes is called

Q93. In which of the following group of countries of the world, HYVs of wheat and rice were developed, which were available for cultivation by mid-1960s.?

Which one is incorrectly matched?

Vacuoles in plants

Fat soluble vitamins are :

(a) A, D and E

(b) B, C and D

(c) B, D and E

(d) A, B and C

What are the identification features of striated muscles when seen under microscope?

The natural process of oxidation of ammonia to nitrite is known as _____________ .

This question is followed by a set of answer choices and more than one choice may be correct. Type the correct answer choice(s) in the box below. For example, if the correct choices are A and C, then type in AC in the box (in capitals, in alphabetical order and without spaces between the alphabets).

According to a prediction of the not-so-distant future published in 1940, electricity would revolutionize agriculture. Electrodes would be inserted into the soil, and the current between them would kill bugs and weeds and make crop plants stronger

Which of the following statement(s), if true, most strongly indicate(s) that the logic of the prediction above is flawed?

A. The bugs that are beneficial to crop plants will also be eliminated when electricity is used.

B. If the proposed plan for using electricity were put into practice, farmers would save on chemicals now being added to the soil.

C. It cannot be taken for granted that the use of electricity is always beneficial.

D. Since weeds are plants, electricity would affect weeds in the same way as it would affect crop plants.

E. Because a planting machine would need to avoid coming into contact with the electrodes, new parts for planting machines would need to be designed
___

Answer the following questions:-

What is the utility of tissues in multi-cellular organisms?

The function of ureters in excretory system of humans is