diff --git a/sql-plugin/src/main/scala/org/apache/spark/sql/rapids/collectionOperations.scala b/sql-plugin/src/main/scala/org/apache/spark/sql/rapids/collectionOperations.scala
index 9253982f328..f378c1f2c14 100644
--- a/sql-plugin/src/main/scala/org/apache/spark/sql/rapids/collectionOperations.scala
+++ b/sql-plugin/src/main/scala/org/apache/spark/sql/rapids/collectionOperations.scala
@@ -162,15 +162,23 @@ case class GpuSlice(x: Expression, start: Expression, length: Expression)
   override def doColumnar(listS: GpuScalar, startCol: GpuColumnVector,
       lengthCol: GpuColumnVector): ColumnVector = {
     val numRows = startCol.getRowCount.toInt
-    withResource(GpuColumnVector.from(listS, numRows, dataType)) { listCol =>
-      doColumnar(listCol, startCol, lengthCol)
+    // When list is null, return all nulls like the CPU does.
+    if (!listS.isValid) {
+      GpuColumnVector.columnVectorFromNull(numRows, dataType)
+    } else {
+      withResource(GpuColumnVector.from(listS, numRows, dataType)) { listCol =>
+        doColumnar(listCol, startCol, lengthCol)
+      }
     }
   }
 
   override def doColumnar(listCol: GpuColumnVector, startS: GpuScalar,
       lengthS: GpuScalar): ColumnVector = {
-    // When either start or length is null, return all nulls like the CPU does.
-    if (listCol.getRowCount == listCol.numNulls() || !startS.isValid || !lengthS.isValid) {
+    // When input column is all nulls or either start or length is null, 
+    // return all nulls like the CPU does. This matches CPU behavior for 
+    // slice function with null inputs.
+    if (listCol.getRowCount == listCol.getBase.getNullCount || 
+        !startS.isValid || !lengthS.isValid) {
       GpuColumnVector.columnVectorFromNull(listCol.getRowCount.toInt, dataType)
     } else {
       val list = listCol.getBase
@@ -189,7 +197,7 @@ case class GpuSlice(x: Expression, start: Expression, length: Expression)
   override def doColumnar(listCol: GpuColumnVector, startS: GpuScalar,
       lengthCol: GpuColumnVector): ColumnVector = {
     // When start is null, return all nulls like the CPU does.
-    if (listCol.getRowCount == listCol.numNulls() || !startS.isValid) {
+    if (listCol.getRowCount == listCol.getBase.getNullCount || !startS.isValid) {
       GpuColumnVector.columnVectorFromNull(listCol.getRowCount.toInt, dataType)
     } else {
       val list = listCol.getBase
@@ -211,11 +219,16 @@ case class GpuSlice(x: Expression, start: Expression, length: Expression)
   override def doColumnar(listCol: GpuColumnVector, startCol: GpuColumnVector,
       lengthS: GpuScalar): ColumnVector = {
     // When length is null, return all nulls like the CPU does.
-    if (listCol.getRowCount == listCol.numNulls() || !lengthS.isValid) {
+    if (listCol.getRowCount == listCol.getBase.getNullCount || !lengthS.isValid) {
       GpuColumnVector.columnVectorFromNull(listCol.getRowCount.toInt, dataType)
     } else {
       val list = listCol.getBase
       val start = startCol.getBase
+      withResource(GpuDivModLike.mergeNulls(list, start)) { mergedNulls =>
+        if (mergedNulls.getRowCount == mergedNulls.getNullCount) {
+          return GpuColumnVector.columnVectorFromNull(listCol.getRowCount.toInt, dataType)
+        }
+      }
       val length = lengthS.getValue.asInstanceOf[Int]
       withResource(Scalar.fromInt(0)) { zero =>
         if (start.contains(zero)) {
@@ -231,12 +244,20 @@ case class GpuSlice(x: Expression, start: Expression, length: Expression)
 
   override def doColumnar(listCol: GpuColumnVector, startCol: GpuColumnVector,
       lengthCol: GpuColumnVector): ColumnVector = {
-    if (listCol.getRowCount == listCol.numNulls()) {
+    if (listCol.getRowCount == listCol.getBase.getNullCount) {
       GpuColumnVector.columnVectorFromNull(listCol.getRowCount.toInt, dataType)
     } else {
       val list = listCol.getBase
       val start = startCol.getBase
       val length = lengthCol.getBase
+      val mergedNullsList = withResource(GpuDivModLike.mergeNulls(list, start)) { mergedNulls =>
+        GpuDivModLike.mergeNulls(mergedNulls, length)
+      }
+      withResource(mergedNullsList) { _ =>
+        if (mergedNullsList.getRowCount == mergedNullsList.getNullCount) {
+          return GpuColumnVector.columnVectorFromNull(listCol.getRowCount.toInt, dataType)
+        }
+      }
       withResource(Scalar.fromInt(0)) { zero =>
         if (start.contains(zero)) {
           throw RapidsErrorUtils.unexpectedValueForStartInFunctionError(prettyName)