State whether the following sentences are right or wrong
Manaus is a port on the confluence of Negro and the Amazon.
Manaus is a port on the confluence of Negro and the Amazon.
Show Hint
Solution and Explanation
Manaus is a port on the confluence of the Negro and Amazon rivers.
Correct Answer: True
Step 1: Geography of Manaus
Manaus, the capital of Amazonas state, lies where the Negro River meets the Amazon River. This site is famous for the “Meeting of Waters,” where the two rivers flow side by side without mixing immediately.
Step 2: Importance of Manaus as a Port
Manaus serves as an important inland port and commercial hub in the Amazon Basin. It facilitates trade, transportation, and access to remote areas of the rainforest.
\[ \textbf{Manaus is an important inland port at the confluence of the Negro and Amazon rivers.} \]
Top Questions on Practical Geography
- Observe the map and answer the questions given below:
- Maharashtra Class X Board - 2025
- Geography
- Practical Geography
- Give geographical reasons for the following
The waterways are not developed in Brazil.- Maharashtra Class X Board - 2025
- Geography
- Practical Geography
- Give geographical reasons for the following
Settlements are sparse in North-Eastern Brazil.- Maharashtra Class X Board - 2025
- Geography
- Practical Geography
- Give geographical reasons for the following
Tropical cyclones occur rarely in Brazil.- Maharashtra Class X Board - 2025
- Geography
- Practical Geography
- State whether the following sentences are right or wrong
The sex ratio is high in Brazil.- Maharashtra Class X Board - 2025
- Geography
- Practical Geography
Questions Asked in Maharashtra Class X Board exam
Complete the following activity to prove that the sum of squares of diagonals of a rhombus is equal to the sum of the squares of the sides.
Given: PQRS is a rhombus. Diagonals PR and SQ intersect each other at point T.
To prove: PS\(^2\) + SR\(^2\) + QR\(^2\) + PQ\(^2\) = PR\(^2\) + QS\(^2\)
Activity: Diagonals of a rhombus bisect each other.
In \(\triangle\)PQS, PT is the median and in \(\triangle\)QRS, RT is the median.
\(\therefore\) by Apollonius theorem,
\[\begin{aligned} PQ^2 + PS^2 &= \boxed{\phantom{X}} + 2QT^2 \quad \dots \text{(I)} \\ QR^2 + SR^2 &= \boxed{\phantom{X}} + 2QT^2 \quad \dots \text{(II)} \\ \text{Adding (I) and (II),} \quad PQ^2 + PS^2 + QR^2 + SR^2 &= 2(PT^2 + \boxed{\phantom{X}}) + 4QT^2 \\ &= 2(PT^2 + \boxed{\phantom{X}}) + 4QT^2 \quad (\text{RT = PT}) \\ &= 4PT^2 + 4QT^2 \\ &= (\boxed{\phantom{X}})^2 + (2QT)^2 \\ \therefore \quad PQ^2 + PS^2 + QR^2 + SR^2 &= PR^2 + \boxed{\phantom{X}} \\ \end{aligned}\]
- Maharashtra Class X Board - 2025
- Quadrilaterals
- Prove that tangent segments drawn from an external point to a circle are congruent.
- Draw a circle with radius 4.1 cm. Construct tangents to the circle from a point at a distance 7.3 cm from the centre.
- Maharashtra Class X Board - 2025
- Constructions
- \(\triangle\)ABC \(\sim\) \(\triangle\)PQR. In \(\triangle\)ABC, AB = 3.6 cm, BC = 4 cm and AC = 4.2 cm. The corresponding sides of \(\triangle\)ABC and \(\triangle\)PQR are in the ratio 2 : 3, construct \(\triangle\)ABC and \(\triangle\)PQR.
- Maharashtra Class X Board - 2025
- Constructions
- \(\square\)ABCD is a rectangle. Taking AD as a diameter, a semicircle AXD is drawn which intersects the diagonal BD at X. If AB = 12 cm, AD = 9 cm, then find the values of BD and BX.