NSTW

Statement 1: Superior Vena Cava is the large vein that brings oxygen-poor blood from the upper part of the body to the right atrium.

Statement 2: The inferior Vena Cava is the vein that brings oxygen-poor blood from the lower part of the body to the right atrium.

• both statements are correct

• both statements are incorrect

• the first statement is correct and the second is incorrect.

• the first statement is incorrect and the second correct.

An essay was submitted to the of Science. Its title was written as “the cellular gas exchange and its implication to Homeostasis”. Based on the research title what type of respiration could be the focus of the study?

• Eternal respiration

• Internal respiration

• external respiration

• . informal respiration

What element matches this electron configuration 1s² 2s² 2p⁶ 3s²?

• Ne

• Mg

• Al

• K

What is the molar mass of sucrose (C₁₂H₂₂O₁₁)?

• 342 g/mol

• 500 g/mol

• 378 g/mol

• 252 g/mol

How many hydrogen atoms are there in 72 mol of H atoms?

• 6.02 x 10²³

• 12.04 x 10²⁴

• 4.3 x 10²⁵

• 6.02 x 10⁴⁶

Which of the following statement best describes the formation of mountain range?

• Mountain ranges are formed when there is a volcanic eruption.

• Mountain ranges are formed when there is a collision between two oceanic plates.

• Mountain ranges are formed when there is a collision between two continental plates.

• Mountain ranges are formed when there is a collision between oceanic and continental plates.

If you visit a place in the Pacific known to be along converging plates, which of these should you NOT expect to see?

• Active volcanoes

• Mountain ranges

• rift valleys

• volcanic islands

An object is kept at a distance of 80.00cm from a convex lens of focal length 25.00cm. Find the distance between its image and lens.

• 19.05 cm

• 25.25 cm

• 36.36cm

• no image formed

What is the frequency of a radio wave with a wavelength of 2.2 m?

• 3.0 x 10⁸ Hz

• 1.36 x 10⁸ Hz

• 7.3 x 10^-9 Hz

• 2.2 x 10⁸ Hz

Which of the following is the correct sequence of EM waves in EM spectrum?

• Radio waves, gamma rays, x-ray

• Radio waves, infrared, microwaves

• Radio waves, visible light, UV rays

• Radio waves, x-ray, UV ray