SSC (Marathi Semi-English) इयत्ता ९ वी - Maharashtra State Board Question Bank Solutions for Science and Technology

Draw and label the diagram.

Human excretory system

Write a short note. 

Meristematic tissue

Write the name of the following tissue.

Tissue is responsible for increasing the height of plants.

Write the name of the following tissue.

Tissue is responsible for increasing the girth of the stem. 

Filling the blank based on the given relationship.

3 : 1 Monohybrid : : 9 : 3 : 3 : 1 : ______

Explain Mendel’s dihybrid ratio with the help of any one cross.

Give a scientific explanation.

Soap forms a precipitate in hard water. 

Write the name of the following compound and deduce its molecular mass.

K₂CO₃

Write the name of the following compound and deduce its molecular mass.

CO₂

Write the name of the following compound and deduce its molecular mass.

MgCl₂

Write the name of the following compound and deduce its molecular mass.

NaOH

Write the name of the following compound and deduce its molecular mass.

AlPO₄

Write the name of the following compound and deduce its molecular mass.

NaHCO₃

If 0.2 mol of the following substance is required how many grams of that substance should be taken?

Sodium chloride

Explain with examples what is meant by a 'mole' of a substance.

Deduce the number of molecules of the following compound in the given quantity.

32g oxygen

Write the chemical equation for the following activity. 

NaOH solution was added to HCl solution.

What is meant by neutralization?

Write down the changes that will be seen in the instance and explain the reason behind them.

Magnesium oxide was added to dilute HCl and magnesium oxide was added to dilute NaOH.

Collect a monocot and dicot plant available in your area. Observe the plants carefully and describe them in scientific language.