Maths Group11

Which one of the following statement is true about the graph of f(x)= x² -5x -24?

If f(x) = x² +px + 1 where f(0) and f(1) have opposite signs so that f has a root in (0,1), then which one of the following number is a possible value p?

Which of the following is the measure of an exterior angle of a 10 sided regular polygons?

The radian measure of an angel of 120° is equal to:

What is the distance between the given points A(3, -6) and B(1/2, √3/3)?

If Ax+By+C = 0 and ax+by+c= 0 are perpendicular to each other. Then which one of the following is true?

A given element has atomic number of 55 and mass number of 133. Which of the following describes correctly the property of this element?

In modern periodic table, what is the name of the group that contains the most electronegative element?

The election configuration of an element in the periodic table is 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁵. In which block does this element belong?

Which one of the following statements is well justified, why the left ventricle is tough in nature? Because it

How does oxygen is transported in the human body? It is transported

What is the scientific reason behind the preference of high altitude areas for training by Ethiopian Athletes? Because

As compared to the exhaled, the inhaled air contains

According to biological scenario, structure is related to function, which one of the following is correctly described?

Suppose you took a container and divided it into two halves by a membrane which is permeable to water and labeled the two halves as "A" and "B". Finally, you added hypertonic solution in "A" and hypotonic solution in "B". Which of the following is true?

Assume your friend has a blood type that has no antigen on his red blood cells but produces antibodies a and b, losses due to car accident. If blood transfusion is necessary to save his life, your friend can receive blood from someone with

Homeostasis is a mechanism of

A student focused a slide of an onion epidermal cell on pre-estimated width of 2 millimeter field of view under a microscope. What will be the width of each individual cell if you count 8 cells that fit to the field of view during your observation?